A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ed0120e3-0ba9-41ea-9057-787666b0350c.jpg"title="1374137337359.jpg" alt="1374137337359.jpg"/>
B、 <IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/42909025-5ca6-4843-b0c4-85a35b264f94.jpg"title="1374137355687.jpg" alt="1374137355687.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/b30e9a17-ec79-4c2a-9922-1e24c45b7236.jpg"title="1374137372593.jpg" alt="1374137372593.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/f417f6fc-8bee-41e7-95e4-ac42c3de95b6.jpg"title="1374137386609.jpg" alt="1374137386609.jpg"/>