-To show the narrator’s sense of adventure
It was Much quieter. The reason this is true is because if you were to say it is more quieter, it wouldn't make sense. It would make more sense to say it was more quiet.
C. hyperbole
Hyperbolas are now commonplace in language today (think of how often, or at least I do,you might say "This is best tv show ever!" when you might just mean that you like the tv show. Or how we say repeatedly "This is the best day", when there can only be one "best day".)
Your question is incomplete.
I'm confused about what your asking for.
C.
because the rest of the sentences have negatives where they shouldn't be