A、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/18dc0d29-7298-4679-a153-006419dd1e3c.jpg" width="116" height="37" />
B、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/ff8d1bc6-da08-4f61-b459-9e8ff26d4920.jpg" width="134" height="41" />
C、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/2ea60f40-5922-4a31-aead-7b4ca5f0cd75.jpg" width="132" height="41" />
D、<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/a7f2e982-528d-402f-b272-3352bc929699.jpg" width="135" height="37" />