title: Get a specific option in HtmlAgilityPack?
body: <p>is possible get with HtmlAgilityPack a specific option? For example I've a select like this:</p>
  
  <pre><code>&lt;select id="foo"&gt;
     &lt;option value="0"&gt;1&lt;/option&gt;
     &lt;option value="1" selected="selected"&gt;2&lt;/option&gt; 
  &lt;/selected&gt;
  </code></pre>
  
  <p>I need to get the option with selected. I know how to get the option with:</p>
  
  <pre><code>doc.DocumentNode.SelectNodes("//select[@id='foo']//option");
  </code></pre>