A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15066538396153055d4311e6c42b9b9e00dfaa1802cca.png" alt="上传图片">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15066538461949a4cf6f350434e3fb318c7c0cc7bd1ea.png" alt="上传图片">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1506653854046e998763c5734473e89220e8c69221cb4.png" alt="上传图片">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15066538660475b2b567d743145e68ddfda844aae581d.png" alt="上传图片">