1) Find the object of the preposition.
2) Ask yourself which other word in the sentence is related to this noun or pronoun by the preposition.
Answer:
Symbol.
Explanation:
A person, place, thing, or an event that has meaning in itself and stands for something beyond itself as well; it can signify something else.
Answer:
b. would most likely be your answer.
Explanation:
True a ballad is a type of sonnet
