在本节中，你将听到15个对话，每个对话有一个问题，请从[A]、[B]、[C]三个选项中选出答案。每个对话后有15秒钟的停顿，以便回答问题和阅读下一个问题。每个对话读两遍。 下面，请听这些对话。 What was Mr. White [A] He was a policeman．[B] He was a teacher,[C] He was a doctor.