（） 。

A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/3b022506-1acd-4968-a474-d91013a3e24b.jpg"title="1373944553515.jpg" alt="1373944553515.jpg"/>

B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/09f0631b-8750-4595-acdc-0d00dd7d07e9.jpg"title="1373944565546.jpg" alt="1373944565546.jpg"/>

C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/d248bf1f-80fc-491b-8194-c141102151da.jpg"title="1373944576015.jpg" alt="1373944576015.jpg"/>

D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/584b26fa-cf10-4f3d-b94c-36b67f306d3f.jpg"title="1373944586265.jpg" alt="1373944586265.jpg"/>