Why does Santiago continue to struggle with the fish instead of letting it go?
OA) He doesn't want the boy to think he's incompetent.
OB) He's afraid he'll lose his hook and lines.
OC) He doesn't want the other man to laugh at him.
OD He refuses to accept defeat.
He believes of the fish as a worthy and honorable opponent, but even when he loves the fish, he needs to kill it to get the food he needed and refuses to accept defeat as an experienced sail man