A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/257faac3-85bc-4e54-bc0e-e3f5e3d0e5f0.jpg"title="ex_1257128632453_0.jpg" alt="ex_1257128632453_0.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/af9dae56-a323-495c-8b58-344a3f067f66.jpg"title="ex_1257128649411_0.jpg" alt="ex_1257128649411_0.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/8a656131-f215-4dd1-ba3d-1678da4323e0.jpg"title="ex_1257128660536_0.jpg" alt="ex_1257128660536_0.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/91191c18-be4b-4e34-bd9f-b3ebccee404c.jpg"title="ex_1257128670976_0.jpg" alt="ex_1257128670976_0.jpg"/>