At the end of the poem the speaker is feeling totally overwhelmed with grief at the loss of the loved one named Lenore. so I would say either "overwhelmed or Despair" since there is no options.
The answer that best fits the question is;
C: Spring is a time of joyful rebirth and lively renewal.
The correct answer is D, because there are three independent clauses in this sentence, all of the clauses are independent. A means that there is at least one dependent clause, which is not the case here, and B means the same. C mean that there is only one independent clause in the sentence.
That means to choose a topic based on the information that was in the unit.