Question ID:PT28 S3 Q12 Passage:Letter to the Editor:  Your article on effective cockroach control states that vexone is effective against only one of the more than 4,000 cockroach species that infest North America:  the German cockroach.  In actuality, vexone has been utilized effectively for almost a decade against all of the species that infest North America.  In testing our product, Roach Ender, which contains vexone, we have conducted many well-documented studies that prove this fact. Stem:Each of the following statements conflicts with the letter writer's view EXCEPT: Correct Answer Choice:CChoice A:Vexone is effective against only two species of cockroach that infest North America. Choice B:Not all of the major species of cockroach that infest North America can be controlled by Roach Ender. Choice C:Every species of cockroach that infests North America can be controlled by vexone. Choice D:The cockroach infestations that have been combated with vexone have not included all of the cockroach species that infest North America. Choice E:Roach Ender was tested against exactly 4,000 cockroach species that infest North America.