求助PP上的一道题

欧阳小西

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, would 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.

答案是B。
麻烦NN解释下题目和答案，，，

yanxihua00

A。C，E明显无关，题目中问的是有关工伤的次数问题比较，D为strengthen.B为weaken,原因在于：就算两公司的员工一样，可是与工作相关的工伤次数不一样，也不能比较啊，of course it is weaken,不知道你觉得是不是这个道理？》