A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/6dcbbd62-700c-4710-9e10-b0498deca0a4.jpg"title="1374104442171.jpg" alt="1374104442171.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/dff8c4de-b82c-41ca-be2f-1845c271c635.jpg"title="1374104450859.jpg" alt="1374104450859.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/cd2aef93-70c7-4d68-9137-78ef96044c40.jpg"title="1374104461187.jpg" alt="1374104461187.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/9c7256c4-d5a9-4c64-bea7-bf8475feeed0.jpg"title="1374104473687.jpg" alt="1374104473687.jpg"/>
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