Customer: I want to send a small parcel to Canada.
Clerk: ______________
Customer: What’s the difference between the rates? My parcel weighs 248 grams.

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?

正确答案是C