Question ID:PT71 S3 Q19 Passage:Auditor: XYZ, a construction company, purchased 20 new trucks 3 years ago, and there is no record of any of those trucks being sold last year. Records indicate, however, that XYZ sold off all of its diesel-powered trucks last year. We can thus conclude that none of the 20 trucks purchased 3 years ago were diesel powered. Stem:Which one of the following is an assumption required by the auditor's reasoning? Correct Answer Choice:DChoice A:All of the trucks that XYZ sold last year were diesel powered. Choice B:XYZ did not purchase any used trucks 3 years ago. Choice C:XYZ did not purchase any new trucks since it purchased the 20 trucks 3 years ago. Choice D:None of the 20 trucks was sold before last year. Choice E:XYZ no longer owns any trucks that it purchased more than 3 years ago.