GWD-26-40

The computer company’s present troubles are a result of techno-

logical 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  (D)

请问D的that从句是修饰谁?

还有A哪里不好

谢谢~

logical stagnation, marketing missteps, and managerial blunders

是that的修饰对象　sothat表示结论关系，与句子意思不符合