Part AYou will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer A . , B. , C. or D. , and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE. What can be concluded about the plane
A．The flight has been canceled. B．The plane is late. C．The plane is on time. D．The tickets for this flight have been sold out.