A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1606897009235814aa69a5e7242658934bcef24751a02.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1606897032545eeb58c8f16cd45bda5c2b4b2c274ffaf.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/160689704504996ea07d0429e4d31a17090c62191d40a.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1606897056070afae4f38459f45a0ab16bcc441d3a3b0.png">