The confusion CAUSED BY the discovery of the body made everybody lose track of time.
I believe the answer is prepositional phrase because a prepositional phrase can be either an adjective phrase or an adverb phrase to modify the sentence.
Hope this helps you
The closest would be B. Amiable, since it means nice, happy, genial. Empathetic means the could sympathize, euphonious means it's a good sound, and sentimental means feeling(s)
Personification is giving human characteristics to a nonhuman object. #3 seems like the best choice. Saying sleep did not visit Rainsford is giving sleep the human characteristic of visiting. (Like people do)
Hope that makes sense.