Section A Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer. 听力原文：W: I really can't stand the way David controls the conversation all the time. If he's at the Christmas party, I just won't come. M: I'm sorry you feel that way, but my mother insists that he come. Q: Why must David be invited to the party? (12)