You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <alllinks galcontinue="专栏:2014年中泰文化经贸旅游交流论坛|905" />
  </query-continue>
  <query>
    <pages>
      <page pageid="4" ns="0" title="首页" />
      <page pageid="125" ns="0" title="专栏:上海老龄爱心护理工程研究发展中心" />
      <page pageid="126" ns="10" title="模板:专栏:上海老龄爱心护理工程研究发展中心" />
      <page pageid="129" ns="0" title="专栏:2012台湾500大企业名单(制造业)" />
      <page pageid="833" ns="0" title="04" />
    </pages>
  </query>
</api>