-----Why do many people like to ride bikes?----Because bikes not only need space but als

问题补充：

-----Why do many people like to ride bikes?

----Because bikes not only need space, but also cause accidents.

A. less, fewer

B. fewer, less

C. less, less

D. fewer, fewer

答案：

(答案→)A. less, fewer

B. fewer, less

C. less, less

D. fewer, fewer

解析：fewer和less分别是few和little的比较级形式，在可数名词前用few或者fewer,而在不可数名词前用little或者less。