C．She must spend more time on her studies.

　　听力材料：

　　Text 1

　　W: How much would it cost for my 10－year－old daughter and me to go to Washington?

　　M: It's only 100 dollars full fare for you and half fare for your daughter if she is under 11.

　　Text 2

　　W: Movies and restaurants are fun places to go on Friday and Saturday nights.

　　M: That's pretty expensive. I usually like to go to a bar with my friends to have a drink or listen to some good music, and sometimes we dance.

　　Text 3

　　W: Mike，I'm really shocked. I never thought I'd receive a "C" for my report. What about you?

　　M: I got a "B" . If you'd turned in the report a week ago as scheduled，you would have received a grade higher.

　　Text 4

　　W: Well, it seems that Frank Pierre has become quite a famous painter.

　　M: Has he? You know I'm a professional artist myself and I question how much gift Pierre really has.

　　Text 5

　　M: I hope I'm not late, Miss Smith. I have an appointment for 11 o'clock. Professor Rogers asked me to come.

　　W: Sorry. Professor Rogers had to go out this morning, and he asked me to see you.

　　Text 6

　　W: Good morning, sir. You look worried. What is wrong with you?

　　M: I can't find my daughter. She is only six years old.

　　W: In that case，you should ask the police for help. Is she in a red cap and white trousers?

　　M: Oh, yes. Where is she?

　　W: Now, she is at the police station. Follow me, please.

　　M: Oh, my god. Thanks a lot.

　　Text 7

　　W: What's the weather like today?

　　M: It has stopped snowing, but there is a bitter cold wind.

　　W: Look at the ice there hanging from the houses.

　　M: And the streets are covered with ice.

　　W: Do you happen to know what the temperature is today?

　　M: I missed today's weather forecast over the radio.

　　W: It feels like 15 degrees below zero at least. I don't mind the cold weather, but I do hate it when it gets slippery.

　　M: The ice will soon be thick enough for skating. I'm so fond of the winter sports.

　　Text 8

　　M: What would you like to do tonight?

　　W: Watch TV, as usual.

M: Shall we watch the Screen TV Guide first? I think we should know what's on first.