A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/2eca9f4f-b893-4323-bd1c-06df16e3f4f0.jpg"title="113421030_1.jpg" alt="113421030_1.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/6272ea87-170c-45d6-b73a-349db8c9b0db.jpg"title="113421039_2.jpg" alt="113421039_2.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/1448f2ef-b3af-446e-9405-84021ff28067.jpg"title="1134210319_3.jpg" alt="1134210319_3.jpg"/>