【单选题】Which of the following statements about the theme of "The Old Man and the Sea" is True?
A.
The novel tells an exciting but tragic adventure story. Facing the terrible adversaries (对手), the old man makes last victory with excellent confidence and power.
B.
The novel is a fable of the unconquerable spirit of man—a creature capable of snatching(抢夺) spiritual victory from circumstances of disaster and material defeat.
C.
The novel reflects Hemingway’s understanding and comprehension about social life. It shows us the spirit of never giving up.