The story centers upon Santiago, ________

A. he is the main character, an aging Cuban fisherman, he struggles with a giant marlin far out in the Gulf Stream.

B. the main character, an old Cuban fisherman, to struggle with a giant marlin far out in the Gulf Stream.

C. who was a Cuban old fisherman struggles with a giant marlin off the Gulf Stream.

D. an aging Cuban fisherman who struggles with a giant marlin far out in the Gulf Stream.