Answer:
Harry and Hagrid meet Professor Quirrell in Diagon Alley, who teaches Defense Against the Dark Arts at Hogwarts.
Explanation:
You use comma when you have more than 1 thing to write:
such as i have a ball, a bat, and gloves.
so option C is the correct answer.
Answer:
He is a good spirit who will protect and bring happiness to the fisherman and his wife
Explanation:
the phrase "spoke kindly to the fisherman and his wife" is indicative of the good nature of the boy and so, he'll bring happiness to the couple.
Hope this helps, and please mark me brainliest if it does!