With April 18’s railway speedup highway and air transport will have to compete withservice

问题补充：

With April 18’s railway speedup,highway and air transport will have to compete withservice for passengers.

A. good

B. better

C. best

D. the best

答案：

A. good

(答案→)B. better

C. best

D. the best

解析：形容词或副词的比较级表示两者间的比较。根据所提供的情景“With April 18’s railway speedup”可判断出公路和航空将以对旅客更好的服务来进行竞争。形容词最高级用于三者或三者以上的比较,意为“最……”。