Answer:
Arguing I think because you would argue to keep a certain book
D. It is the Authors attempt to use autobiographical incident to share valuable wisdom.
If you had shared the options It would have been much easier for me to answer in suitable form for you. But actually I have got the answer and do hope it could help you. I am more than sure that the repetition of "nevermore" creates a unity of effect on longing. The only word that Rave knows and uses all the time to respond is "nevermore" so that it gives a circular sense to the poem.
I think it’s A because they both express them selfs