F: Hello, Tom. I'm afraid I need your help. ,M: Sure, what's the matter? ,F: My sister Mary is coming to see me tomorrow morning, but I forgot that I've got 2 lessons. Could you meet her for me please?
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: No problem. I'm so glad that you have no lesson. And you can meet your sister tomorrow morning. (C) M: No problem. Enjoy your two lessons tomorrow afternoon. (D) M: No problem. You can look after your sister, because you have no lesson.
A