I believe that this shows that Daisy is sneaky and manipulative and so she is try to possibly start something between the person narriating and Jordan.
The study of the structure of a human or an animal body.
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.
He is trying to narrow a general topic by listing subtopics.
The correct answer is "states an unusual fact" because It is not a quotation, it is not a question, and it is not an unusual situation.