A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15396770759378a1d631ecca54965a2ab1240b13ba4b1.png" alt="上传图片">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1539677083638e51707287105434b94eaa6d8739fb0cb.png" alt="上传图片">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15396770949756f5f254d4ca449e487a5bc48366b23c7.png" alt="上传图片">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1539677103523f53433adcaa24d25b47cd1c1b384e359.png" alt="上传图片">