A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/65a42e4b-da45-47c8-8588-bedacc961717.jpg"title="ex_1363933348763_0.jpg" alt="ex_1363933348763_0.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/52c04fca-7a5f-4cfd-832d-7e2cd7cbbf98.jpg"title="ex_1363934559103_0.jpg" alt="ex_1363934559103_0.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/298a142d-fa02-452f-8b1f-c19fa3c3c319.jpg"title="ex_1363934640305_0.jpg" alt="ex_1363934640305_0.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/1e5b23bb-1ae9-4710-8446-662a18c96675.jpg"title="ex_1363934737345_0.jpg" alt="ex_1363934737345_0.jpg"/>