题目内容：

    Once upon a time, there was a fair with different shops in town. Among those was a small shop set up by a young man.

The shop was filled with colorful jewelry and other things made of glass. One of the pieces caught a jeweler’s eye. It was shining so brightly that the jeweler thought it was a precious diamond（珍贵的钻石）. He asked the shop owner,” What’s the price of this piece?”

“20 dollars,” replied the owner.

The jeweler wanted to save some money, so he said, “I can give you only 15 dollars for it.”

The shop owner refused.

There weren’t many people around the shop, so the jeweler thought to himself, “If I come back later, the shop owner may change his mind.” After hanging about for a while, he returned to the shop, only to find the piece missing. He asked the shop owner, “Where is the piece I asked for a moment ago?”

The shop owner replied , “I sold it for 20 dollars.”

The jeweler got angry and said,” What a fool（傻瓜）you are! It was not a glass piece but a precious diamond.”

The shop owner replied, “I’m not a fool but you are! You knew that piece was precious, but you tried to buy it for 15 dollars and left.”

1.The change of the jeweler’s feeling can be described as ______________.

A.angry→happy→regretful B.happy→angry→regretful

C.angry→regretful→happy D.happy→regretful→angry

2.What lesson can we learn after reading the story?

A.Action speaks louder than words. B.Try to save as much money as we can.

C.Think twice before making decisions. D.Don’t lose much by trying to save a little.