钢轨绝缘允许设置在出站信号机 (      ) 的范围内。

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">前方</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="m" /><span style="FONT-FAMILY: ; FONT-SIZE: 10.5pt" lang="EN-US">1m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: " lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>

B、<p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: "><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">前方</span> <chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="6.5" unitname="m" /><span style="FONT-FAMILY: ; FONT-SIZE: 10.5pt" lang="EN-US">6.5m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: " lang="EN-US"><span style="mso-spacerun: yes">&nbsp;&nbsp; </span></span></span></p>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">后方</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="1" unitname="m" /><span style="FONT-FAMILY: ; FONT-SIZE: 10.5pt" lang="EN-US">1m</span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">后方</span><chmetcnv w:st="on" tcsc="0" numbertype="1" negative="False" hasspace="False" sourcevalue="6.5" unitname="m" /><span style="FONT-FAMILY: ; FONT-SIZE: 10.5pt" lang="EN-US">6.5m</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: " lang="EN-US">&nbsp;<span style="mso-tab-count: 1">&nbsp; </span></span>

E、<span style="FONT-FAMILY: 宋体">以上都不对</span><p></p>