I think is complex and I also had the same assignment but a little bit different but, if is not the answer then I try
:(
C. Unferth is jealous because the woman he loves want's Beowulf and not him.
If you take a look in the book you can very clearly tell that Unferth is jealous of Beowulf and twists the stories to make it sound like Beowulf isn't very heroic and things of that manner.
A)if you don't enjoy what you do you will become tired, cynical, and burned out
