听力原文:M: Hello. How are you today? W: Not so gooD.My leg's playing me up, awful pains in my leg and my toothache! M: Oh, dear! I've got toothache too and the dentist says he simply can't see me before next week. But what gets me is my headachE. W: I know what you mean, but at least you can do the garden. I can't even do that with my back, the doctor says I mustn't lift or benD. M: You poor thing. There's nothing worse than back troublE.But I don't do much in the garden now because I've hurt my arm. It's really painful. W: Like my anklE.It's all swollen up. Which age group do the two speakers most likely belong to? A.Young. B.OlD. C.Middle-ageD.