A、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/7a0dab0a-22fb-45c2-96de-5a6d016f7fa2.jpg"title="image70.jpg" alt="image70.jpg"/>
B、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/52068921-4055-4238-b082-45fcd0b1b1f5.jpg"title="image71.jpg" alt="image71.jpg"/>
C、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/5a894cf2-2d5c-486d-9fac-f5e0ef156f15.jpg"title="image72.jpg" alt="image72.jpg"/>
D、<IMG src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/staticQuestionImg/e81df340-98fc-4c40-bdbe-8c5d4e147ec6.jpg"title="image73.jpg" alt="image73.jpg"/>