。

A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/10be418b-13c8-4c53-8f28-6b6a0dd18ca6.jpg"title="1373949038781.jpg" alt="1373949038781.jpg"/>

B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/b346ae8b-173c-40e8-9df8-01b648b6bf68.jpg"title="1373949048812.jpg" alt="1373949048812.jpg"/>

C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/66d5c45f-6bfc-4eb8-a5bb-1feab293a929.jpg"title="1373949057921.jpg" alt="1373949057921.jpg"/>

D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/514d2b3f-f4d1-4c23-a27a-8c06e0bb9715.jpg"title="1373949065125.jpg" alt="1373949065125.jpg"/>