A、<span style="font-size:16px;font-family:'Times New Roman','serif'"> <img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20151123/1448264017498037073_blob.png" title="4234217571109606" alt="blob.png"/></span>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20151123/1448263950614028499_blob.png" title="11019339644059678" alt="blob.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20151123/1448263966344049586_blob.png" title="7462688120409559" alt="blob.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/ueditor/jsp/upload/image/20151123/1448263983765039885_blob.png" title="20833911075410415" alt="blob.png"/>