A、<img width="19" height="37" id="对象 80" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/5fcbca8d-2e20-474e-aef3-0c07e0e6e9e6.png" />
B、<img width="20" height="37" id="对象 81" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/778cabe9-09e5-481c-ba61-858866b7d9c6.png" />
C、<img width="20" height="37" id="对象 82" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/b5a2001c-b8a4-4492-9ad4-ef3c70d2d67c.png" />
D、<img width="20" height="37" id="对象 83" src="http://admintk.100xuexi.com/UpLoadImage/2016-08-23/930a075d-df5d-49fe-80a4-40aea5160d2b.png" />
查看答案
的值为（ ）。