【正确答案】
B
【答案解析】[听力原文]
M: Hello, Mary. Why are you standing here in the cold wind?
W: I'm waiting for a bus, but the buses are very full at this time of the day.
M: Where are you going? This isn't your way home. You must take a bus from the other side of the street to go home.
W: But I'm not going home now. I'm going for a walk in the park.
M: Going for a walk in such cold weather?
W: I always like to go for a walk before supper.