A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15892042355395149dffd09bc4bd3a8a6bd52b78510cfimage43.png"style="width:51px;height:24px;"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15892042355936f35ad868cf142249b2a94368af2a843image44.png"style="width:72px;height:24px;"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1589204235643f44318f09f2640e1b2c48bee2fa0149eimage45.png"style="width:60px;height:24px;"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15892042356942ae9b3ad5aed4ed69fb493d8c323865cimage46.png"style="width:76px;height:24px;"/>
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