在线求指导：听下面一段对话,回答

听下面一段对话,回答第1-3题.
1.What should the woman do when the man posts his parcels according to the conversation?
A.Weigh the parcel.
B.Check the address.
C.Calculate the postage.
2.Which kind of mail has cheaper rates?
A.Parcels.
B.Ordinary mail.
C.Printed matter.
3.What does the man decide to buy in the end?
A.5 twelvepence stamps.
B.3 twelvepence stamps.
C.4 twelvepence stamps.