A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1488246722490558ddd2b40c748c0939d429aa217cce0image24.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/148824672253249a13cc078bc47ce951f7e34f1e51b49image25.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/14882467225712a3f7fd2315241f49a068275156cc136image26.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1488246722615acc9bb19b1834e34ad0e2e2c044f15f9image27.png">
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