单项选择题
M: Hello, Alice. You look tired today. W: Yes. I stayed up too late last night. I was doing my homework and forgot the time.
A.She was doing her housework. B.She was working hard at her lessons. C.She was watching TV.
A.Friends. B.Strangers. C.Classmates.
A.In a hotel. B.In a department store. C.At a railway station.