A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15289536267234568e4898ed74c529956df8bf295a9dcimage11.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15289536268255bfcbff57b894e8cacabd8ccd93b610dimage12.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528953626922dc7b2e4709824d36a7fab90761eb4e08image13.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152895362700579240380965e4072b86e11588a8cf882image14.png">
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