求问大家对一道GWD改错的理解！

evenhuang0502

The computer company's present troubles are a result of technological stagnation, marketing missteps, and managerial blunders so that several attempts to revise corporate strategies have failed to correct it.
A. so that several attempts to revise corporate strategies have failed to correct it.  
B. so that several attempts at revising corporate strategies have failed to correct  
C. in that several attempts at revising corporate strategies have failed to correct them
D. that several attempts to revise corporate strategies have failed to correct  
E. that several attempts at revising corporate strategies have failed to correct them  

OA: E  不理解的地方就是,开头那个“that”到底作何成分，先谢谢了！

evenhuang0502

emmahiggins09 发表于 2016-4-11 08:03
that 修饰 a result of TS, MM, and MB

谢谢~~~懂啦！

emmahiggins09

that 修饰 a result of TS, MM, and MB