A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152843749069937176e1ace064407a4b487404072bcdbimage9.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15284374907622b5a2a31d78c4b87b2946f4c92f3a8a4image10.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152843749082876825bb19fdf4bcaa65be0eb3ba0118bimage11.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528437490901cf434e72914a41bbad56f5c451adb5a1image12.png">
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