[听力原文]6-7M: Do you like dancingW: Yes, very much. Do you danceM: I used to dance when I was younger, but not very often now. I’m getting too old.W: Too old Nonsense, you don’t look more than fifty.W: As a matter of fact, I’m nearly sixty.W: Really! You certainly don’t look it.M: As it happens, today is my birthday.W: Is that so Well, many happy returns of the day.M: Thank you very much. How old is the man（） A: In his thirties. B: About fifty. C: A little less than sixty. D: More than sixty.