听一段材料，回答下面几个小题。
For what season does the man want to buy something?
A.Winter.
B.Autumn.
C.Spring.
What is the first hat made of?
A.Silk.
B.Cotton.
C.Wool.
How much does the man save?
A.Six dollars.
B.Seven dollars.
C.Ten dollars.
What does the man want to have in addition?
A. A red hat.
B.A red sweater.
C.A black sweater.