A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/7283aa47-9938-4821-81ba-bffeb742487e.jpg"title="ex_1228718544020_0.jpg" alt="ex_1228718544020_0.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/12af75ef-646f-4aca-8054-76cd1a3b0f4a.jpg"title="ex_1228718566130_0.jpg" alt="ex_1228718566130_0.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/4d6c9e31-c462-402a-9c39-a2bd7ecefc08.jpg"title="ex_1228718583395_0.jpg" alt="ex_1228718583395_0.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/c1b5142f-dacb-414a-9d86-0b74467fdbb4.jpg"title="ex_1228718595781_0.jpg" alt="ex_1228718595781_0.jpg"/>