M: We are looking for volunteers for tonight's event. Are you available? ,F: Yeah. ,M: The guests will arrive at 7:30 PM. You can be at the front desk to take the tickets.
(A) F: Thanks. I will enjoy my voluntary time tomorrow. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I'm so glad that you invite me to be a guest tonight. I'll arrive at 8:00 PM. (D) F: I think I don't need to buy a ticket because I won't go to tonight's event.
B