A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/f734c96c-1a4e-44b2-8427-87a9b8847862.jpg"title="1374058570812.jpg" alt="1374058570812.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ec00109d-a993-4a67-bacb-582f856c203f.jpg"title="1374058587437.jpg" alt="1374058587437.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/b200f125-faa2-4cc5-8a62-6dbc2a86a999.jpg"title="1374058603875.jpg" alt="1374058603875.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/2092bf35-ee2c-49a4-a9ab-e903f40d29b2.jpg"title="1374058617890.jpg" alt="1374058617890.jpg"/>