A、By the last name. B、By the first name. C、By the middle name. D、By the full name. BHow do Americans usually call each other? 本题

W: What do you like about working in the US?
M: Well, people are very friendly. We all get on very well.
W: How do people greet each other?
M: Eeveyone uses first names. They all say "Hi" and ask "How are you doing?". I like that.
W: What else do you like?
M: They have very nice offices lots of space. Every-thing is modern and nice.
W: Is it different from working in our country?
M: Yes. Americans are always wearing formal clothes, but we go to work in informal clothes.
W: Is there anything you don’t like?
M: The holidays. In the US, they only have 2 weeks’ annual leave. In our country, we usually have 4 or 5 weeks.