Even though they did not take place in the story, which of the following situations would fit the story of beowulf thematically? a. the king double-crosses beowulf by telling grendel of the plan. b. unferth challenges beowulf again, and the two fight to the death. c. grendel defeats beowulf in the battle and presents his head to the king. d. beowulf falls in love with a scylding maiden and leaves without fighting grendel.