A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15160849958099a6caa536d2b4ae88bad529d225a3f14image6.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15160849959538b67e747f01b4d7ab078d8e7ebc25029image7.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151608499606794c7cc5776d44150a78b02cdaf4a20ddimage8.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516084996764f3cbfc7aab2c4a489fa25876c6697953image9.png">