A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1507600043448779386d89c124893be7ffdd1d7680c18image9.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15076000435257b972cf0fc18495ea946d4e361c00b9aimage10.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1507600043611cd9f77b7a5de48f08d494c91e719ea14image11.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15076000436968c751a8d3cd34fccb48349e2d035b7d0image12.png"/>
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