A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154537846229115fdc74b6585471c9dfd53014839e383image6.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15453784623938395daf6fc894978a09c172dc50e9ad7image7.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15453784624885ace75a50b714ed3b45ca2c14af8cb66image8.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545378462592ba05973fe757482daf2846893aeca37fimage9.png">
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