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>
    <allpages apcontinue="Baby_Video_Monitor_Review_2015" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="967" ns="0" title="BBC News" />
      <p pageid="1548" ns="0" title="BBC Reports" />
      <p pageid="1683" ns="0" title="BBMC Home loan." />
      <p pageid="3897" ns="0" title="Baby Check 101 The 1 Baby Displays Source Online" />
      <p pageid="3231" ns="0" title="Baby Monitor" />
      <p pageid="2610" ns="0" title="Baby Monitor 101 The Number 1 Baby Screens Source Online" />
      <p pageid="2889" ns="0" title="Baby Monitor 3G" />
      <p pageid="3544" ns="0" title="Baby Monitor For IPhone" />
      <p pageid="4711" ns="0" title="Baby Monitor Regarding IPhone" />
      <p pageid="4277" ns="0" title="Baby Monitor Regarding IPhone Greatest Simplest Cheapest And Just How To Accomplish It" />
    </allpages>
  </query>
</api>