A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151185979592043924e8270474ca3b45717d50bca6632image2.png">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15118597961629b426ee6847f4da1b341284af68fb320image3.png">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15118597963454d14251883734dee828fd69cb2bafbe3image4.png">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15118597964593f0055f6b38048b0863b5668df27c1ffimage5.png">