A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15453758088645ccc4f88872d4521ba668488444e6341image1.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15453758089894bd9059b4e4049c8938697cd05fe518aimage2.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545375809102ff10804b41c64d46a11c1647fc4c7ce1image3.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545375809216be1ee7aa37f941f69d8dc02b37e69a8cimage4.png">