A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160716/1468666071186032138_blob.png" title="35623010007962675" alt="blob.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160716/1468666077830005496_blob.png" title="56852496552436406" alt="blob.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160716/1468666084124010965_blob.png" title="76842685809973245" alt="blob.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20160716/1468666089306036483_blob.png" title="133018868258185" alt="blob.png"/>