某工人用 3 天的工作（其中 4h 为损失的时间），铺了 5m2 的花岗石楼面，则该工人的时间定额和产量定额各是多少？（    ）

A、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">0.5</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span><span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">/m²<span style="mso-spacerun: yes"> </span> <chmetcnv w:st="on" unitname="m2" sourcevalue="2" hasspace="False" negative="False" numbertype="1" tcsc="0"> 2m ² </chmetcnv>/</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span>

B、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">2</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span><span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">/m²<span style="mso-spacerun: yes"> </span> <chmetcnv w:st="on" unitname="m2" sourcevalue=".5" hasspace="False" negative="False" numbertype="1" tcsc="0"> 0.5m ² </chmetcnv>/</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span>

C、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">0.6</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span><span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">/m²<span style="mso-spacerun: yes"> </span> <chmetcnv w:st="on" unitname="m2" sourcevalue="1.67" hasspace="False" negative="False" numbertype="1" tcsc="0"> 1.67m ² </chmetcnv>/</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span>

D、<span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">1.67</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span><span style="FONT-FAMILY: " times="" new="" roman","serif";="" font-size:="" 12pt;="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-fareast-font-family:="" 宋体"="" lang="EN-US">/m²<span style="mso-spacerun: yes"> </span> <chmetcnv w:st="on" unitname="m2" sourcevalue=".6" hasspace="False" negative="False" numbertype="1" tcsc="0"> 0.6m ² </chmetcnv>/</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: " times="" new="" roman";="" mso-font-kerning:="" 1.0pt;="" mso-ansi-language:="" en-us;="" mso-fareast-language:="" zh-cn;="" mso-bidi-language:="" ar-sa;="" mso-ascii-font-family:="" "times="" mso-hansi-font-family:="" roman""="">工日</span>