A、<span style="FONT-FAMILY: " lang="EN-US">260</span>
B、<span style="FONT-FAMILY: " lang="EN-US">255 </span>
C、<span style="FONT-FAMILY: " lang="EN-US"><span style="mso-spacerun: yes"></span>280</span>
D、<span style="FONT-FAMILY: " lang="EN-US">240</span>