A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/d5f71bb2-54f9-469b-99f2-1bd79c17d2fe.jpg"title="1374139697000.jpg" alt="1374139697000.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/1cd1d2bc-3fe9-4251-ac35-1b76a1630e78.jpg"title="1374139745171.jpg" alt="1374139745171.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/92d76530-3890-4013-95a6-afadf3c5673f.jpg"title="1374139764078.jpg" alt="1374139764078.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/9755c958-043b-47d5-b2e2-3053db78c66a.jpg"title="1374139779312.jpg" alt="1374139779312.jpg"/>