The description of the most unhelpful person I have known the most are:
Manipulative
Always judgmental
Self-centered
Controlling, etc.
<h3>What is an unhelpful person?</h3>
This is known to be anyone who is said to be never helpful at all as they are said to never help you or improve any situation that you are in and they even tend to make it worse.
Therefore, The description of the most unhelpful person I have known the most are:
I believe your answer is C. The description doesn't suit Wilbur. This is because Charlotte thinks of Wilbur as more of a clumsy pig than he is Supreme. Hope this helped!