They prefer to walk to the shop rather than in their cars.A. to go B. going C. go

问题补充：

--- They prefer to walk to the shop rather than in their cars.

A. to go B. going C. go

答案：

解析：句意：比起乘小汽车他们更喜欢走着去商店。prefer to do rather than do 是宁可做……而不做，或者是喜欢做……而不做……的意思。语法结构上来看，than两边的结构都是一致的，都是不定式，但是习惯上把后面的to省略。故选B。