M: When do you start your first lesson every day? ,F: 8 o'clock. But we have a 20 minute morning reading lesson before that.
(A) M: So students have to arrive at school at 7:40, right? (B) M: Since you don't have morning reading lesson, why do students have to arrive at school at 7:40? (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: So students have to arrive at school at 8:00 because you don't have morning reading lesson, right?
A