A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160628/1467125909660045694_QQ图片20160628225031.png" title="455697388447473" alt="QQ图片20160628225031.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160628/1467125918664082131_QQ图片20160628225056.png" title="4558694555634502" alt="QQ图片20160628225056.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160628/1467125936184057185_QQ图片20160628225107.png" title="34077285025363003" alt="QQ图片20160628225107.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160628/1467125943312053472_QQ图片20160628225128.png" title="36788716050543457" alt="QQ图片20160628225128.png"/>