In order to reduce the increasing prices of vegetables，the toll(过路费) if a truck carrying them passes through a toll sration.
A. cancels
B. is canceiled
C. was cancelled
D. had been cancelled
网友回答
A. cancels
(答案→)B. is canceiled
C. was cancelled
D. had been cancelled
解析：考查动词时态和语态。cancel与thetoll之间是被动关系，而且是目前状况，所以用一般现在时的被动语态。