Answer: B
Explanation: In the raven. The protagonist is going insane due to the pain and greief he is feeling for the loss of his love. He is haluccinating the raven, but that is due to the fact that he is in pain from the loss of lenore.
To my mind, the answer ( B ) is the inappropriate sentence. In a formal writing informal tone must be avoided as well as colloquial expressions.
<span>Long after the world to which it belonged has vanished, a habit of thought will live on, indelibly imprinted upon a race or nation, like the footprint of some extinct beast or bird upon a piece of stone.
The word indelibly refers to the anything that is impossible to remove or forget. It is the mark that cannot be erased.</span>
Simile!!!!!!!!!!!!!!!!!!!!!!!!!!!!