A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15048365868678df4783594774696b9c2194c8de81f1aimage23.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/150483658694362729a52d3d94b3b84aa0d13198e7df6image24.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15048365870302188bd2034c0438c9409948d9016c604image25.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1504836587120d563f96e3d9547dfafe9cbe3d5e51989image26.png">
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