单项选择题
[听力原文] M: Susan, I would like to introduce a friend of mine, if I may, Tim Bums. W: Pleased to meet you, Mr. Tim Burns.
A.Have met for several time. B.Classmates. C.Don’t know each other before. D.Friends.
A.Their study at school. B.The examinations. C.The newspapers. D.Their relations.
A.4. B.8. C.12. D.15.