单项选择题

Part A You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer — A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE. Now look at Question 1. What does the man explain to the woman

A.The train is cheaper than the bus.
B.The bus is cheaper than the train.
C.There are two buses every day.
D.The train is faster than the bus.