How does beowulf's story about the battle with breca differ from unferth's version of the story?
a. beowulf told how breca was reluctant to enter the competion in the 1st place.
b. beowulf suggests that breca's swimming abilities hindered his fighting skills.
c. beowulf says that breca lost the competio and then betrayed him.
d. beowulf explains that he fought off sea monsters all night, so he couldn't participate in the challenge with breca.