A、One hour. B、Three hours. C、Two hours. D、Four hours. B对话中二次听到express train，听到save an hour，take two hours，而问句是local train，因此，只需

M: You should never strike up a conversation with a man on the street. Don’t you know how dangerous it is!
W: I usually don’t, but I couldn’t find the restaurant and he looked very respectable.
Q: Why was the man upset?

W: If we hurry we can take the express train and save an hour.
M: Yes. The express takes only two hours to get to Tokyo.
Q: How long does it take the local train to Tokyo?