It’s either A. To inform or C. To persuade but between both I think C might be a good option
My best answer would be that out brain makes connections. Music can make a conection to what ever we're seeing/feeling in the moment. That's why certain songs might make us sad or happy, or any other emotion. Music can also help you concentrate, depending on the person.
Answer: D. Authority. That is the subject that is being questioned.
Explanation:
