Dialogue:  M: Hi, Lily, how's your new flat?  W: It's great. I really like it.  M: How big is it?  W: It's one big room, but it has a bathroom and a small kitchen, too.  M: How far is it from the office.  W: It's only about 10 minutes.  M: 10 minutes by bus or by car?  W: On foot. I walked to work this morning. I was 10 minutes early.  M: You are lucky. I was 10 minutes late.  W: What happened  M: All the buses came late.  W: What did Susan say?  M: She was late too.  W: What happened to her?  M: She took the train, and it was late too.  W: Well then you're really lucky after all. But what are you going to do tomorrow.  M: I'll start 15 minutes earlier.  Question: How does the man go to work?   - On foot.  - By bus.  - By car.
A:
By bus.