A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14908526785509a8c62ef1e2844e19010ab229df57c92image57.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1490852678603a521517fd40c401c94c2a0b2350fd9a4image58.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/149085267864438875eaf21d24acbbec6d0b402576765image59.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/149085267871744633ea1376640c0ab63efb07c5997edimage60.png">
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