A、They were both busy doing their own work. B、They waited for each other at different places. C、They went to the street comer at

M: So how much was your plane ticket?
W: More than I could really afford. I had to dip into my saving.（女士说机票的价钱超过了她所能承受的，她不得不dip into saving“取存款”，可见机票很贵。）
Q: What does the woman imply?

W: George, where were you yesterday evening? I expected to see you at the concert.
M: Oh, I waited for you at the corner of your street,（ 女士说在音乐会上等男士，而男士却在女士家街道角落等，明显两个人在不同的地方等对方。）then I looked for your flat. But the house-keeper said you were out.
Q: Why didn’t they meet that evening?