M: I'd like to book a seat on the 8:30 flight to New York on 1st July. W: I'm sorry, Sir, that flight is fully booked. M: Oh, well, in that case I'll go on the 10:30. W: Yes, Sir, we have seats on that flight., Question: What do you know about the flight on 8:30? (A) The tickets were all sold out (B) It has changed its taking-off time (C) The plane is too crowded
(A) The tickets were all sold out