The answer is: A.Both suggest that love endures after death.
Both poems suggest that the love endures after dead, in the last stanza of “Annabel Lee” Poe is describing how Annable’s lover is laying there besides here when she is gone and in “To One In Paradise” it is relating the lost a dear friend and lover, and also in the last stanza he is describing how he can find some peace in his dreams after she is gone.