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

问题补充：

With April 18’s railway speedup, highway and air transport will have to compete with service 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：句子大意为：由于铁路提速了，所以高速公路和航空业要提高服务质量来竞争客源。因将“高速公路和航空”与“铁路”比较，故用比较级。