阅读理解。 Tom walked into a shop. It had a sign out- side.  'Second-hand' clothes bought and sold.” He was carrying an old pair of trousers and asked the owner of the shop, 'How much will you give me for these?' The man looked at them and said, “Two dollars.” 'What?' said Tom, 'I had guessed they were worth (值) at least five dollars.' 'No. ' said the man, 'They aren't worth a cent(美分) more than two dollars. ' 'Well, ' said Tom,  taking two dollars out of his pocket,  ' Here's your money.  These trousers were hanging outside your shop. The list price of them was six dollars and a half. But I thought that was too much money, so I wanted to make sure how much they were really worth. ' Then he walked out of the shop with the pair of  trousers  and  disappeared (消失)  before the shop owner could think of anything to say. 1. At first the owner of the shop thought that Tom ________. A. was trying .to fool him B. was trying to steal the trousers C. wanted to sell the trousers D. wanted to buy the trousers 2. The owner of the shop ________ for the old trousers. A. would give Tom two dollars B. would pay three dollars C. would pay five dollars D. would give Tom six dollars and a half 3. The owner of the shop insisted (坚持) that the trousers were only worth two dollars because _________ A. he wanted to sell them cheaply B. he wanted to buy them cheaply C. he didn't like the trousers D. they were too old and dirty 4. In fact(事实上), _________. A. Tom wanted to sell the trousers to the owner of the shop B. Tom stole (偷) the trousers from the shop C. the trousers were the shop owner s D. the trousers were on sale(出售) in another shop 5. From the story we know that_________ cheaper than the list price. A. the owner sold the trousers two dollars B. Tom sold the trousers one and a half dollars C. the owner bought the trousers three dollars D. Tom bought the trousers four dollars and a half