Question ID:PT86 S4 Q9 Passage:Office manager:  Every vacation an office worker takes significantly reduces the psychological exhaustion experienced on the job. Therefore, to reduce the amount of psychological exhaustion as much as possible over the course of a year, office workers should divide their vacation time into several short vacations spaced throughout the year, rather than into one or two long vacations. Stem:The office manager's argument is most vulnerable to criticism on which one of the following grounds? Correct Answer Choice:EChoice A:It takes for granted that each short vacation taken by an office worker during a year reduces the psychological exhaustion experienced on the job by an equal amount. Choice B:It overlooks the possibility that there are methods office workers can employ to reduce the amount of psychological exhaustion experienced on the job that are as effective as taking vacations. Choice C:It overlooks the possibility that individual office workers may differ substantially in the extent to which taking vacations reduces the amount of psychological exhaustion they experience on the job. Choice D:It fails to consider that for office workers the total amount of vacation time taken over the course of a year may have a much greater effect on the amount of psychological exhaustion experienced on the job than does the number of vacations taken during the year. Choice E:It fails to consider that a long vacation may reduce the psychological exhaustion an office worker experiences on the job much more than a short vacation does.