A、<img width="277" height="43" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/b567d96c-0943-43a5-8cb0-c0f308e32645.png" />
B、<img width="265" height="42" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/acf318b1-06c1-4ea3-85b7-9524e0fa9b82.png" />
C、<img width="443" height="43" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/fab73e2a-aac5-4752-93f8-eb56d275d698.png" />
D、<img width="445" height="42" src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/77185cd2-fc50-413a-8388-b7f177e00cd3.png" />
查看答案