66. In the mid-1920’s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers’ performance. (A) that would investigate changes in working conditions as to their effects on workers’ performance (B) investigating the effects that changes in working conditions would have on workers’ performance (C) for investigating what are the effects in workers’ performance that changes in working conditions would cause (D) that investigated changes in working conditions’ effects on workers’ performance（B） e(E) to investigate what the effects changes in working conditions would have on workers’ performance 大全解答里头看的是答案是B,说e不对的原因是在这里做定语不合适，可没看出来不合适的原因，里头也没提，what the effects ....have on很不对吗？？谢谢 | 
