A、Couples. B、Neighbors. C、Colleagues. D、Friends B对话中的女士说"my husband and l love this neighborhood"，说明了对话的两人住在同一条街，为邻居关系，对话为见面后的寒喧

M：Hi, it’s been a long time since we saw each other last time. What have you been up to?
W：It’s great to see you again. I’ve been away on business. Well, (23)first I flew to New York for two meetings, After that, (23)I flew to Atlanta, where I had to make a presentation at a company conference.
M：It sounds like you’ve been busy.
W：Yes, I’ve been very busy. It’s good to be home again. What have you been doing lately?
M：Oh, nothing much. I’ve been working in the garden these past few days. Alice has been away for the past two weeks visiting her relatives in Chicago.
W：I didn’t know she has family in Chicago.
M：Yes, that’s right. We met at university in California. She was born in Chicago and lived there until she went to college.
W：How long have you lived here in Colorado?
M：We’ve lived here for over 10 years. We moved here in 1998 because I had a new job as a sales representative.
W：Have you lived in the same house since you arrived?
M：No, first we lived in an apartment in downtown Denver. We moved here four years ago.(24)We’ve lived on the street for four years and they’ve been the happiest years of our lives.
W：Yes, (25)my husband and I love this neighborhood.
M：And how long have you lived in your house?
W：(25)We’ve only lived here for two years.
M：That’s strange!(25)
W：No, we moved here in 2006.