题目内容：

Tom walks into a shop. It has a sign outside: “ Second hand clothes bought(买)and sold(卖).” He is carrying an old pair of trousers and asks the owner of the shop. “ How much will you give me for these?” The man looks at them and then says, “ Two dollars.” “ What!” says Tom, “ I think they are worth(价值) at least five.”

“No,” says the man, “They aren’t worth a cent(美分) more than two dollars.”

“ Well,” says Tom. Taking two dollars out of his pocket, “ Here’s your money. These trousers are hanging (挂) outside your shop. The list price of them is six dollars and a half. But I think that is too much money, so I want to find out how much they are really worth.”

Before the shop owner can think of anything, Tom walks out of the shop with the pair of trousers.

1.At first the owner of the shop ________ for the old trousers.

A. will give Tom two dollars

B. will pay three dollars

C. will pay five dollars

D. will give Tom six dollars and a half

2.The shop owner insists（坚持) that the trousers are worth only two dollars because

A. he wants to sell them cheaply

B. he wants to buy them cheaply

C. he doesn’t like the trousers

D. they are old and dirty

3.In fact, the trousers _______.

A. are hanging inside the shop

B. are stolen by Tom from the shop

C. are the shop owner’s

D. are Tom’s

4.From the story we know that _______ cheaper than the list price.

A. the owner sells (卖)the trousers two dollars.

B. Tom buys the trousers two dollars

C. the owner buys the trousers four dollars and a half

D. Tom buys the trousers four dollars and a half