Questions 4 to 7 are based on the following
conversation. At the end of the conversation, you will be given 20 seconds to
answer the questions. Now listen to the
conversation.
Why do they have to postpone the appointment
A．Because the woman would work overtime. B．Because the woman could not get the ticket. C．Because the woman would go shopping with her mother. D．Because the woman would go abroad for a trip.