A、<img width="132" height="104" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/fa205a84-6b78-4e50-ae58-433a20f7eda5.png" />
B、<img width="133" height="102" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/d390a084-859c-4df0-9f8d-8c8d9f2ced61.png" />
C、<img width="127" height="97" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/cc992b6c-2700-47e8-8785-31df4e9dad42.png" />
D、<img width="124" height="101" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/712046c4-ef4c-4763-a3ca-7dee4645fc58.png" />