A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ba444faf-a09b-42d0-ac3c-1cc69c7e526b.jpg"title="ex_1274361627146_0.jpg" alt="ex_1274361627146_0.jpg"/>

B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/e93f49e4-106a-4f64-9c7e-8ff34d859e4b.jpg"title="ex_1274361634890_0.jpg" alt="ex_1274361634890_0.jpg"/>

C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/ea9127ab-1336-499c-9717-248c6386fd7e.jpg"title="ex_1274361642134_0.jpg" alt="ex_1274361642134_0.jpg"/>

D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/1f34351b-3ece-423e-bc87-9dc1e2e5467b.jpg"title="ex_1274361649878_0.jpg" alt="ex_1274361649878_0.jpg"/>