A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15174646409639bbab4c9e6484e1aa4e5ec6f39207dceimage2.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517464641065ded2a599062345e287ad5132668bb588image3.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15174646412197a2938447e004833bb19fc24db6e8d7bimage4.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517464641343fdac0d4ee00842ae95560b91b3e653f9image5.png">