TOEFL Listening: ETS-TOEFL听力机经 - 4PW8EY3E893WSV7KP$

Why does the student want to have the event on Friday morning? A. It is not possible to change the room reservation. B. The room he needs is only available at that time. C. The speaker at the event is leaving on Friday afternoon. D. The student's professor cannot change his schedule.