【单选题】

Mr. Payne was on holiday. He was staying in a small desert (荒凉的) town. One sunny morning he went to the market and saw a beautiful carpet (地毯) there. It was big, and full of rich colors. He looked at it for a long time, but went away. The next day he passed and saw it again. He asked the price.

"How much is it "
"It’s a special carpet, sir. So it is not cheap. It’s beautiful, isn’t it "
"Yes, it’s very beautiful, but it is olD、"
"It’s very old, sir. It belonged to a great man many years ago. So I can’t sell it cheaply."
"No, how much is it " Mr. Payne asked again.
"A、beautiful, old carpet, sir.And it is also a magic carpet, a magic flying carpet.A、man came this morning and would pay five hundred pounds for it."
"Oh," said Mr. Payne.
"But I like you, sir. You are a very nice gentleman, I’ll sell it to you. Five hundred and fifty pounds."
"Hmm," Mr. Payne thought for a while. "All right."
"Very good, sir," said the man. "Will you pay now and take it with you "
"No," said Mr. Payne. "Here’s my address. Fly over on the carpet, and I’ll pay you when you arrive.\
He thought the price was ______.
A、high B、low C、reasonable