50.The old fisherman “goes far out into the sea, where he hooks a giant marlin.” What is a marlin?
(A) A kind of fish.
(B) A kind of ship.
(C) A magician.
(D) A kind of shark.

馬林魚就是旗魚

The Old Man and the Sea is a novel by Ernest Hemingway. The book is about an old fisherman, Santiago, whofishes alone. Friendless except for a young boy named Manolin, Santiago has only one remainingpurpose in life－to catch a big fish in order toprove to Manolin and to himself that he is still a good fisherman. After eighty-four days of unsuccessful fishing, on the eighty-fifth day Santiagogoes far outinto the sea, where he hooks a giant marlin. Hestruggles with the fish for two days and nights and finally kills it. Soon sharksappear and attack his fish. The old man fights them off with all his strength but fails to protect his catch. Only the bones of the great fish remain as proof of Santiago’s courage and strength when he returns with it to the harbor. (請依據上述文章，回答第 46～50 題)