Customer: I want to send a small parcel to Canada.
Clerk: ______________
Customer: What’s the difference between the rates? My parcel weighs 248 grams.
A、What kind of service do you want?
B、What mailing service do you prefer?
C、By airmail or surface mail?
D、What is the weight of your parcel?
【正确答案】：C
【题目解析】：答句：价格有什么区别，由此推测，前面应该是给出了不同快递方式的选择，所以选C：空运还是平邮。
