Answer:
C. or E. One of the two. I could be wrong. Forgive me if I am.
Explanation:
C is the central theme of this novel. Melville is sure to characterize the fatigue and exhaustion, that goes in to whaling.
Your answer is C. Acquaint yourself with the political situation in Africa, because the first letter is capitalized and all the proper nouns are capitalized. :)
B.B is the correct answer because of the grammar.