A、At an airport. B、In a store. C、In a post office. D、At a bus station. C对话开头女士说她想往美国邮寄包裹，男士请女士把包裹放到秤上，他要称一下重量。由此推测，对话最有可能发生在邮局。

W: I’d like to(8)send this parcel to America.
M: OK.(8)Please put it on the scales. I will check the weight. Oh, that’s 650 grams. How do you want to send your parcel?
W: What are the options? And how much are they?
M: You can send it by airmail or by surface mail.(10)Sehding it by airmail will cost twelve dollars while sending it by surface mail will cost eight dollars.
W: Is airmail faster than surface mail?
M: Yes, it is.
W: In that case,(9)I’ll send it by airmail. I’d like to send it as a registered parcel.
M: No problem.(10)That’s one dollar extra.
W: Thanks.
8. Where does this conversation most probably take place?
9. How will the woman send her parcel?
10. How much will the woman pay finally?