Answer:
Unfathomable, perplexing, mystifying, and enigmatic are all words that mean difficult to understand, explain, or identify.
Quickly is the correct answer
What do you want help with
that between Fortunato and his arch-nemesis Montresor.
I think the bolded words would be "whom Mr. Stein chose". The clause whom Mr. Stein chose is an example of an adjective because the clause describes the word student. Student is the subject of the sentence and is a noun. An adjective describes a noun or another subject. an adverb describes a verb or another adverb.
