A、He has difficulty communicating with local people. B、He has to spend a lot more traveling back and forth. C、He has trouble ada

M: I’d like to go to the States, but if I took the job there, I wouldn’t get a very good salary.
W: Really? I thought salaries were high there, but there would be some fringe benefits presumably.
M: Oh, yes. It’d be stimulating and it has some advantages.
W: What else do you have in mind?
M: Well, there’s a position in Portugal.
W: How does it compare?
M: It’d offer greater security, because it’d be on a homebase contract.
W: And salary?
M: Much better. I’ll get an overseas allowance plus free accommodation from the firm.
W: Presumably you’d be given moving expenses for the Portugal job?
M: Yes, but just to complicate matters, there’s a possibility of a post in Sao Paulo.
W: That’s Brazil, isn’t it?
M: Yes. I’d get promotion if I took a post there.
W: I’d love to go to Brazil.
M: But there are some disadvantages. I’d have to do a five-year term there.
W: Personal problem surely?
M: Well, not at the moment. But if there were a change in family circumstances, I’d be a long way from home.
W: But if you’re worried about distance, isn’t that the same problem with the States?
M: Yes, but in the States I’d be on an annual contract, so I could leave fairly quickly if I needed to.
W: In Portugal?
M: Well, that’s almost next door, isn’t it? I could visit home every few months if necessary.
W: I can see you’ve got a difficult choice to make.
M: Well, fortunately I don’t have to make up my mind about any of them yet. In fact, I haven’t even been called for an interview.
1.What does the man say about the job in the States?
2.What benefit would the man get if he took the post in Sao Paulo?
3.What does the man say is the disadvantage of working in Brazil?
4.What do we learn from the end of the conversation?