The one party who is most likely to be upset by the recommendation of the author is the book publisher.
In this particular era, people often prefer to watch the movie rather than read the book. Therefore, if even the author says that it is the movie they recommend, the majority of people will listen to their advice.
I think it's A. It is definally not the climax as this happens when Beowulf kills the monster. It's not the resolution either as it is the first part of the text. Also, exposition seems a little unrelated.
