A、<img width="91" height="44" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/76577b03-2fb7-4b49-b3d1-1455d8980fa1.png" />
B、<img width="104" height="44" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/1e0d1379-3927-4e99-a622-36c6c2686156.png" />
C、<img width="91" height="44" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/37ddf7cc-92d0-4cdb-8829-5dce70992454.png" />
D、<img width="99" height="44" src="http://admintk.100xuexi.com/UpLoadImage/2016-10-26/5d5f73c7-a57d-40a3-8613-a8fe329e8162.png" />
查看答案
为（ ）。
题63图