[問題]黃豐陽托福文法第23篇Q52(structure)

[micki]

Q52.Managers and worders have been aware of the potential of the computer for the simple fact that the computer ______ improve a business environment.
A.can do
B.does what it can
C.can it do
D.can and does

ANS:D

小弟想請問的是為何選D ， 是如何從句子看出來的，謝謝^^"。

[micki]

fact that 後加完整句子 只有(A)(D)
(B)句意排除 (C)亂湊
can do improve
can and does improve

A does improve B
A can improve B

不能用 can do improve ...
do這個字這邊表強調,好像不能加在can後面

[hughlin]

在此感謝micki大大的轉貼
也謝謝chenfruit 的解答^^"