A classic novel can be about any subject.
It doesn't have to be with a villain [Classic love stories]
You dont need a handsome protagonist.
So your answer is:
A doctrine is essential to writing a classic novel.
Answer:
Beowulf is an Old English story by an anonymous Anglo-Saxon poet. The poem tells a story of a strong and brave warrior (Beowulf) who defeats monsters and goes on to become King. Beowulf's first major battle was against Grendel, a monster that had been terrorizing the Scyldings
They enjoyed their time together.
The expert is explaining a goodbye so the answer should be A