听力原文:W: What's the matter? I've mid you to arrive at 6:30, but now it's seven. Why don't you answer my phone? M: I'm sorry. I left my mobile phone in the office, so I cannot inform. you of my late arrival. Actually, I started one hour ago, but the traffic jam delayed me for 35 minutes. Q: When did the man start to meet the woman? (17)