My choice would be A. It’s not B since “the conflict are” is incorrect. Not C since “they writes” is incorrect. And I believe D is incorrect since “a Nobel Prize winner” doesn’t agree with “are” — you could rewrite it as “The Nobel prize winner IS either Lessing or Gordimer”.
Nick's recent arrival at west egg and his intention to stay for only a short time underscore the fact that :
He is an outsider in this community.
He does not have enough wealth to be able to live in a modest place,
