If you buy more than ten they will knock20pence off.A. a priceB. priceC. the priceD. pric

问题补充：

If you buy more than ten, they will knock20pence off.

A. a price

B. price

C. the price

D. prices

答案：

A. a price

B. price

(答案→)C. the price

D. prices

解析： the price 此处表特指，“原价”。