Answer:
B. He doesn't think very highly of his writing ability.
Explanation:
In the given quote Hemingway refers to the most of his life work as to something rather average, with a little bit of good writings - which he says are there because of luck. Considering how great and famous writer he was and is, we can see that this quote is pure underestimating his own talent and being humble. So B is the correct answer.
In this quote we do no find anything that matches answer A. Answer C is totally opposite of what is said in the quote, egoistic so to say. Answer D does not refer to this quote it is not about what public thinks of him, but what he thinks of himself.
Your answer is B., because it is unidentifiable, so if they don't know the source, then why cite it right? :P :D So anyways, that's why your answer is B. =)
I hope I helped! =D
A. Words are used whose sound imitates the sound of the thing being named
