A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15289536276931b7735d832e541fdad55f3cb2bd7cc0bimage20.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528953627772ab8dc79be99f455ca487c7044acd3caaimage21.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15289536278738cacc33be2d7410f973d147d332659e2image22.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152895362797478ad39c55ef94a18b77c7fbcd2c8e73aimage23.png"/>