【答案解析】[听力原文] 13-16 W: You look upset these days.Anything wrong? M: Not really, I'm just worried about my daughter. W: Oh,you mean Susan.Why? She's such a nice girl. M: Yeah I know.But somehow she's become different recently. W: In what ways? What has she done? M: Oh,no,you don't really want to hear it. W: Come on.I am a mother of two girls. M: Ok.I'm worried because she often hides in her room and sends messages to her friends. W: Come on.It's not a big deal.She needs friends at this age.You can talk with her if you are really concerned. M: I guess so.Anyway,she is growing up.