A、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/2ad5329c-bad7-4a29-b6ba-813c07c2ecd7.jpg" width="43" height="45" />
B、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/c55617de-e02f-49d9-84d9-fcec240c39e2.jpg" width="40" height="43" />
C、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/26179130-7208-4f2b-9cf8-0b4dc4b42f34.jpg" width="61" height="45" />
D、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/0fdded03-a701-45d8-b693-a3178e6e3a9d.jpg" width="66" height="43" />