The correct answer among all the other choices is D.) a dark and oppressive mood. This is the mood that Edgar Allan Poe begin to establish within the first three sentences of “The Fall of the House of Usher.” Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Ambiguity. doubtfulness or uncertainty of meaning or intention: to speak with ambiguity; an ambiguity of manner. an unclear, indefinite, or equivocal word, expression, meaning, etc.: a contract free of ambiguities; the ambiguities of modern poetry.
