A、<br/><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/f590800d-0aee-49c7-b76d-60bdd88c97c3.gif"title="1114515579_37.2.gif" alt="1114515579_37.2.gif"/>
B、<br/><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/3c98d269-29a6-452b-9726-2d3617e0bc83.gif"title="11145155717_37.3.gif" alt="11145155717_37.3.gif"/>
C、<br/><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/b83aadc6-9ebd-4959-b1a6-b01562cea560.gif"title="11145155726_37.4.gif" alt="11145155726_37.4.gif"/>
D、<br/><IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/375e5647-9632-40a3-825c-d1416db92587.gif"title="11145155735_37.5.gif" alt="11145155735_37.5.gif"/>