A、<img width="27" height="45" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/7e97e75c-02a0-447a-a824-e3b53c4f9ac4.png" />
B、<img width="16" height="41" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/39c06ba8-17e8-4168-acbf-548a00f77857.png" />
C、<img width="27" height="45" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/3906b40d-5ce7-4652-bd4e-2d865997b2d8.png" />
D、<img width="24" height="24" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/6f8a5de9-1e7d-4b8e-a32d-ac32805d9868.png" />
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