Even though they did not take place in the story, which of the following situations would fit the story of Beowulf thematically?

AHrothgar asks Beowulf to join him in a raid on a rival kingdom.

BBeowulf searches for Grendel, only to discover that he is Grendel.

CThe king double-crosses Beowulf by telling Grendel of the plan.

DBeowulf is bitten by a deadly snake and dies.