title: C#.net inheritance between more than 2 classes
body: <p>If i have the classes <code>A</code>, <code>B</code> ,<code>C</code></p>
  
  <pre><code>class B : A (inherited from Class A )
  class C : B (inherited from Class B ) 
  </code></pre>
  
  <p>so by default , class <code>C</code> will inherit from class <code>A</code></p>
  
  <p>how to prevent it </p>