The answer is most likely A because it looks like "over" is the only preposition used in any of these sentences.
The compound verb is earned good grades.
The answer would be "She felt like a popsicle left in a freezer long enough to be shriveled" because it uses the word "like" which indicates that this sentence is a simile, and similies are a form of Figurative Language.
That is an example of an aliteration, or giving life to lifeless things throguh description.\
