B. (Preposition). Hope it helps!
Rest, because you're usually looking for the word it gives along with repose with the 'and' separating it. I hope that makes sense.
A) Cut. if it's instant there's no zoom pan or fade.
Answer:
I think it is of "song of myself".
I think it's the first one. Throughout the story we see Becky struggling with the idea that she might fail this time. Really she is making the possible outcome seem worse than it actually is (the outcome being that she could fail the test again), and Justin helps her calm down and realize that it really isn't that big of a deal if she doesn't pass.