A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15435438035129814bfba003a40ac9a58a34ddaa0f9efimage28.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15435438035988f1d95f20f314b0c87e028874e021e89image29.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1543543803697c519f8860b15429aa368372c808b8ea2image30.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15435438037792625f247ccaa42b8a550fe9d16408725image31.png">
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