How about the price of these washing machines?They are at least equal in price to

问题补充：

--- How about the price of these washing machines?

--- They are at least equal in price to, if not cheaper than, at other stores.

A. others

B. ones

C. that

D. those

答案：

A. others

B. ones

C. that

(答案→)D. those

解析：用those来代替复数名词。