The used rhetorical device is Hyperbole.
Saying that something is a billion times better is hyperbole because it is not really that much better, you would just be over exaggerating.
a dynamic character that experiences a sudden change in fortune and is compelled to develop
The answer is A
(don't mind this part)
Answer: The exposition is 3, the rising action is 5, the climax is 1, the falling action is 2, and the resolution is 4.
Explanation:
No, I don't think it is a rhetorical device