单选题 请把对话补充完整.John: Wendy, _________1________ my friend Li Ming.Wendy: Hi.Li Ming: _______2________. I'm a student at New York University.Wendy: I hope you're enjoying your stay here.Li Ming: Well, I'm still feeling a little homesick and so many things seem strange to me.Wendy: You're sure to feel that way at first, I guess. What are you studying?Li Ming: I'm majoring in history. How about you? _______3________?Wendy: Well, I'm working as a saleswoman for Vega Computers downtown