耐久等级为二级的建筑物适用于一般性建筑，其耐久年限为（ ）年。

A、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">50</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: ">～</span><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">100<span style="mso-spacerun: yes"></span></span>

B、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">80</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: ">～</span><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">150<span style="mso-spacerun: yes"></span></span>

C、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">25</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: ">～</span><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">50</span>

D、<span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">15</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: ">～</span><span lang="EN-US" style="FONT-FAMILY: ; FONT-SIZE: 10.5pt">25</span>