听力原文:W: This is Carolyn Dianne. We're not in at the moment, Please leave your message
M: Hi, Carol. This is David. There is no class tomorrow afternoon. The class is going to see a film at Western Wood Theater. Please meet us in the front of the theater at 4:30. Or Max and I can pick you up at 4. Call me at 781-4893 before noon. After that at 781-9067 and leave a message. I'm in a lecture in the afternoon. Bye.
What is the phone message about?
A.Going to see a film.
B.Attending a lecture.
C.Changing a phone number.