A、By surface mail. B、By airmail. C、By e-mail. D、By express mail. B根据对话中女士所说I’ll send it by airmail可知，在男士说航空邮寄比普通邮寄速度快后，女士决定采用航空邮

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)Sending 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?