Answer: D) The pill is being marketed for those with quite a bit of weight to lose, as opposed to those looking to only lose 5-10 pounds.
Explanation: It shouldn't really be put as the main idea because it has no meaning.
Metaphor is one of the many figures of speech in which it uses implied comparison between two or more things that are not related but with specific similarities. Here are examples:
The rejection I received is another door for a great opportunity ahead.
She is the glasses of his eye frame.
<span>She has bouncy balls of emotions just by seeing him.</span>