A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/a923cff5-097b-4d69-9ac7-859754d1c23d.jpg"title="ex_1363915031271_0.jpg" alt="ex_1363915031271_0.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/40e9b2d9-ed02-44bb-ae28-c0fb294a3673.jpg"title="ex_1363915162758_0.jpg" alt="ex_1363915162758_0.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/39a165b9-41dd-431a-a19e-81ce7bf03a31.jpg"title="ex_1363915266070_0.jpg" alt="ex_1363915266070_0.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/d8e9198d-855f-4293-a369-aeb99726f78d.jpg"title="ex_1363915301161_0.jpg" alt="ex_1363915301161_0.jpg"/>
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