Section B Directions: This section is to test your ability to understand short conversations. There are 2 recorded conversations in it. After each conversation, there are some recorded questions. The conversations and the questions will be spoken only once. When you hear a question, you should choose the correct answer from the 4 choices marked A, B, C, and D. 听力原文：W: Hey! The train is late! I've been waiting her for ages. M: Which train, madam? W: The 8:18 to Baker Street. M: The 8:187 I'm afraid you've made a mistake, madam. W: A mistake.'? My timetable says: Baker Street train—8:18. M: Oh, no, madam. The Baker Street train leaves at 8: 08. W: At 8:08? M: You see, madam. They changed the timetable at the end of April. W: Changed it? May I see the new timetable'? What does it say? M: It says: Baker Street train—8:08. W: Hm! So the train isn't late. I'm late. Q9. Why did the woman miss the train? (6)