—I am afraid this pair of shoes is a little expensive—If you really want to buy them I w

问题补充：

—I am afraid this pair of shoes is a little expensive．

—If you really want to buy them, I will give you a of 10 percent．

A. quantity

B. amount

C. discount

D. account

答案：

A. quantity

B. amount

(答案→)C. discount

D. account

解析：考查词义辨析。quantity 数量，amount 数量，discount 折扣，打折，account账户，句意：恐怕这双鞋有点贵。如果你真想买的话，我给你打九折。所以选C。