A、17
B、<img width="28" height="37" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/31cb4704-0bcb-47fb-a31c-2024cb1ab917.png" />
C、<img width="28" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/f51ac7c6-bdc0-4f7f-b21f-6669b978335e.png" />
D、<img width="28" height="37" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/97dbbcfb-b975-442e-b4b8-e5b275a70b9b.png" />
B、<img width="28" height="37" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/ac072ed6-b7ad-4c32-b763-3e3761dadea6.png" />
C、<img width="28" height="36" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/7d074cce-dedf-4bfe-8696-c05c41a96d14.png" />
D、<img width="28" height="37" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-19/8da69fe0-9ed6-4736-a3f5-fe5495a6e731.png" />
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