A、<img width="108" height="92" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/d81b89a1-b2fe-4921-9bc0-23db25968663.png" />
B、<img width="148" height="92" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/8ce1a65f-10b6-4d3a-ace1-a186511a84c0.png" />
C、<img width="187" height="94" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/24ffec54-ff69-4365-8254-838b63c94be6.png" />
D、<img width="226" height="94" src="http://admintk.100xuexi.com/UpLoadImage/2016-09-30/00379ff6-f262-4392-be39-92d4067e6710.png" />