Elif: I have a math exam tomorrow. I need to study.
Mert: Did you join the study group after school?
Elif: No, I had to go to the dentist. Did you?
Mert: Yes, we reviewed the formulas. It was helpful.
Elif: Can you share your notes with me?
Mert: Of course. I will bring them tomorrow morning.
According to the conversation, which of the following is true?
A)Elif was at the study group.
B)Mert did not go to the study group.
C)Elif wants to borrow Mert's notes.
D)Mert said no to sharing the notes.