A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545637868562e7d5419c7f2a4faab1ff461732fad92e.png" alt="上传图片">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15456379034737222a4ea4da84dd086f7dc096a6135f0.png" alt="上传图片">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545637913629b5b3c13bd2924cd1a425a40f02dd44a8.png" alt="上传图片">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545637924746e3319c86d2564edf8d3093e99047f707.png" alt="上传图片">