Let's define each word, a noun is a thing, place, or person. A adjective is something that describes or modifys a word. A verb is something that describes an action. An adverb modifies an adjective, another adverb, or anothing type of word group.
Edgar Allan Poe created a unity of effect of suspense in the narrative poem "The Raven" by with the repeated tapping sound. The poem was published last January 1845 and it was remarkable due to the stylized language used by Edgar. Answer is C.