In order to reduce the increasing prices of vegetables the toll(过路费) if a truckcarrying th

问题补充：

In order to reduce the increasing prices of vegetables，the toll(过路费) if a truckcarrying them passes through a toll sration.

A. cancels

B. is canceiled

C. was cancelled

D. had been cancelled

答案：

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。