题目内容：
根据材料，回答问题。A
Tom walked into a shop．It had a sign outside：“Second—hand clothes bought and sold．”He was carrying fill 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 then said：“Two dollars．”
“What!”said Tom．“I had guessed they were worath least five dollars．”“No，”said the man，“they area’t woah a cent 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 doUars and a half．But I thought that was too much money，so I wanted to find out how much they were reaUy worth．”
Then he walked out of the shop with the pair of trousers and disappeared before the shop owner could think of anything to say．
At first the owner of the shop thought that Tom．________． A．wanted to steal the trousers
B．wanted to sell the trousers
C．wanted to fool him
D．wanted to buy the trousers
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答案解析：