Which response most effectively describes the interaction between two central ideas in beowulf?

beowulf has an opportunity to return a favor to king hrothgar by killing grendel, and if he does, hrothgar will make him an honored member of his house.

beowulf has an opportunity to make a name for himself by performing a heroic deed, and if he does, his father will accept him as his heir.

(ik its not this one) beowulf has an opportunity to save the lady wealhtheow from the monster grendel, and if he does, she will become his wife and unite the kingdoms.

beowulf has an opportunity to prove his bravery to unferth, and if he does, he will redeem his reputation after unferth lied about him.