A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15066539543251e3641bab3114da5939cc0f052898f79.png" alt="上传图片">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1506653963039614286c72bf2451c94e35b992371595f.png" alt="上传图片">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1506653968815ebdf9854cdb746ec8b31748e9cb9b185.png" alt="上传图片">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/150665397548442039c166fcc4227948c2fd0c9f07b4f.png" alt="上传图片">