请教：118

hzbaoyan · 发表于 2004-3-19 22:55:00

The guiding principles of the tax plan released by the Treasury Department could have even a greater significance for the economy than the particulars of the plan.

(a)even a greater significance for the economy than

(b)a significance that is even greater for the economy than

(c)even greater significance for the economy than have

(d)even greater significance for the economy than    do

(e)a significance even greater for the    economy than have

答案是D。请问为什么答案不是C呢？C用了have不是更对称么？？？

谢谢：）

jnlvo · 发表于 2004-3-19 23:16:00

could后是原形do

philikittist · 发表于 2004-3-20 11:34:00

省略应该用助动词代替，

could have中的have是实意动词，即have significance,

所以，用do 最好了

请教：118

请教：118

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