One way to judge the performance of a company is to compare it with other companies,This technique,commonly called"benchmarking" permits the manager of a company to discover better industrial practices and can provide a justification for the adoption of good practices. Any of following,if true ,is a valid reason for benchmarking the performance of a company against companies with which it is not in competition rather than against competitiors EXCEPT: A.Comparisons with competitors are most likely to focus on practises that the manager making the comparison already employs. B. Getting "inside" imformation about the unique practices of competitors is particlulary difficult. C.Since companies that compete wiht each otherr are likely to have comparable levels of efficiency ,only benchmarking against noncompetitors is likely to real practices that would aid in beating competition D.Managers are generally more receptive to new ideas that they find outside their own industry. E, Much of the sucess of good companies is due to their adoption of practices that take advantage of the special circumstances of their products of market. 不太明白这道题目的逻辑内涵？请各位侠客帮忙赐教一下啊 | 
