A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/150759867151078da7ab95d0041bdadd49903821d3b5bimage23.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15075986715829495bfcebfbb4df394200bafd84c0761image24.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15075986717144277cab1b0114df799aa6cf909a8f85bimage25.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1507598671814d875a0f3e7cc4880ae99cc554e2f362bimage26.png">
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