Questions 22 to 25 are based on the conversation you have just heard.

A．She should have asked to be excused from the trip.
B．She deserves the zero.
C．She is right to be angry.
D．She should have gone on the field trip.

A．Listening to different styles of conversations.
B．Listening to the content of different conversations.
C．Listening to how salesmen talk to different people.
D．Listening to conversations in public.