A、7:00. B、7:30. C、7:05. D、7:15 B 此题为数字题，涉及的是时间，答案在第一句话中其实已明示。在对话过程中，要及时捕捉住每个数字，以备回答问题。

M: How do you get to the park for exercises every day, Grandma?
W: Well, it’s within walking distance, but I usually take the bus since the bus stop is just in front of our house.
Q: How does the old woman get to the park on most occasions?

W: Look at your watch. We’ll be late for the concert.
M: It won’t start until 7:30. It’s only 7:00 now. It takes us only 5 minutes to get there. There will be plenty of time if we leave at 7:15.
Q: What time will the concert start?