A、<img width="91" height="91" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/48b29ddd-0145-4e29-b34b-8ad0d3c5197e.png" />
B、<img width="104" height="91" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/0ce66ef0-ad9b-4b20-99dd-f66b52a781ed.png" />
C、<img width="91" height="77" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/ca27b3ed-1740-42dd-b407-30772180b8a5.png" />
D、<img width="95" height="72" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/a62bd26f-21a6-4e8d-ac93-3e4200088e73.png" />