这是一个网页
<div class="fl">
<div class="bm">
       <div class="bm_h">
  <a href="forum.php?viewgid=0&mobile=yes">数据A</a>        </div>
                                               <div class="bm_c add">
                                    <a href="forum.php?mod=forumdisplay&amp;fid=86&mobile=yes" >1</a> <font class="xg1">(3)</font>                </div>
                                          <div class="bm_c even">
                                   <a href="forum.php?mod=forumdisplay&amp;fid=23&mobile=yes" >2</a> <font class="xg1">(2474)</font>                </div>
                                         <div class="bm_c add">
                                     <a href="forum.php?mod=forumdisplay&amp;fid=95&mobile=yes" >3</a> <font class="xg1">(83)</font>                </div>
                                      </div>
 </div>
<div class="fl">
 <div class="bm">
         <div class="bm_h">
       <a href="forum.php?viewgid=1&mobile=yes">数据B</a>        </div>
        </div>
 </div>
 <div class="fl">
 <div class="bm">
        <div class="bm_h">
        <a href="forum.php?viewgid=3923&mobile=yes">数据C</a>        </div>
            </div>
 </div>
<div class="box">我要从<div class="bm_c add">开始到链接3后面那个DIV结束之间的数据