A、Dark and light blue. B、Dark and light green. C、Dark and light brown. D、Dark and light yellow. D该题为文章主旨题，根据文中双方的回答可判断两人在就毛毯贸易进行

W: Good morning, sir. Are you being attended to?
M: I’m looking for 5×6 cushions. Do you have one of this size?
W: Yes, we do. But what color do you want?
M: Dark and light yellow woven together.
W: Please move over here, sir. How about this one?
M: Mm...I like the color and the pattern. But do you have another one so that I can choose?
W: I’m sorry, we don’t. If you really want to buy, we can give you 6% off. since this is the last blue one left. It’s a real bargain.
M: But I must make sure that there isn’t anything wrong with cushions first.
W: Fine, go ahead, please.(A few minutes later.)
M: Are you sure I can get 6% discount?
W: Absolutely sure.
M: Then I’ll take it. As far as the size, color and the pattern are concerned, and they are just what I appreciate. By the way, can you have it shipped to me in Denmark?
W: Certainly, sir. Leave your name and address with us, please.
M: All right. Thanks a lot.
W: You are very welcome.
Q6: What color of the carpet does the customer want to buy?