In the short story "The Fall of the House of Usher" the narrator is unsettled and paranoid by the atmosphere around the house. Thus, option A is the correct option.
Edgar Allan Poe's Fall of the House of Usher is a famous story that surrounds the narrator and a house that seemed to be a little spooky and horror. He feels the mansion to be strange and felt him like hell rather than heaven.
He had an unsettling feeling and was paranoid about the strange things that could have happened in the house making him fear the bad feeling. The ominous and eerie feelings surrounding the house are seen in his expressions.
Therefore, option A. narrator is unsettled and paranoid.
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