A Maria le GUSTAN las fresas.
GUSTAN refers to the strawberries, not Maria, so it should be plural
Quieres que te lo traduzca a español o qué quieres que haga estoy confundida
So the answer is (a) because in English the word is “paid” and (b) and (c) just don’t make sense the sentence states that “I (paid) the ring at the jewelry store.” I hope this helps!
Policía means police officer