Question ID:PT90 S2 Q4 Passage:Cerrato:  Economists argue both that the higher turnover rate of part-time workers shows them to be much more likely to be dissatisfied with their jobs than full-time workers are and that lower-paid, part-time workers threaten to take jobs from full-time employees. But because job efficiency is positively correlated with job satisfaction, companies are unlikely to replace satisfied employees with dissatisfied ones. Therefore, _______. Stem:Which one of the following most logically completes Cerrato's argument? Correct Answer Choice:CChoice A:full-time workers are likely to lose jobs to part-time workers Choice B:the companies earning the greatest profits tend to be those that pay their workers the highest wages Choice C:dissatisfied part-time workers are unlikely to threaten the jobs of full-time workers Choice D:the higher turnover rate of part-time workers is only partly caused by their greater job dissatisfaction Choice E:companies generally hire part-time workers only when they are unable to hire full-time ones