听短文，根据短文内容选择正确答案。
What is the speaker talking about?
A. A plan for a trip.
B. The city of St . Louis.
C. Washington University.
What will they do on Wednesday afternoon?
A. Go to the sports center.
B. Do some shopping.
C. Take a tour of the city.
When will the listeners have a rest?
A. On Friday afternoon.
B. On Saturday afternoon.
C. On Sunday afternoon.
Where will the listeners go on Sunday?
A. To St . Louis.       B. To New York.     C. To Washington.