Answer:
C."…So fame/Comes to the men who mean to win it/And care about nothing else!"
Explanation:
In "Beowulf," the protagonist is absolutely determined to end up with Gredel's evil and cruel actions, so after he defeats him, he also has the spiritual and physical strength to kill the evil sea creature. In fact, the latter is Grendel's mother, who is also furious about his son's death and wishes to take revenge for it. However, Beowulf is resolved and does not let anything stop him.