Answer:
A. Unimportant scenes might become more important, and vice versa.
Explanation:
If a novel changes its medium, it would probably suffer a lot of modifications. It is likely that some unimportant scenes might become more important, and vice versa. Think of how a book might be adapted into a movie. Many scenes will become difficult to show on screen. Some might be longer or shorter than in the book. All of these could be changes that take place when a novel changes medium.
