Companies O and P each have the same number of employees who work the same number of hours per week. According to records maintained by each company ,the employees of Company O had fewer job-related accidents last year than did the employees of Company P. Therefore, employees of Company O are less likely to have job-related accidents than are employees of Company P. Which of the following if true wuld most weaken the conclusion? A. the employees of company p lost more time at work due to job-related accidents than did the employees of company O. B. company p considered more types of accidents to be job-related than did company O. C. the employees of company P were sick more often than were the employees of company O D. several employees of company O each had more than one job-related accident E. the majority of job-related accidents at company O involved a single machine ANSWER: b 请问如何思考这题 --

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