请教白勇语法第五章第14题

Alaska regularly deposits some of its profits from the sale of oil into a special fund, with the intention to sustain the state's economy after the exhaustion of its oil reserves.

A. fund, with the intention to sustain the state's economy after the exhaustion of its oil reserves.

B. fund,the intention of which is to sustain the state's economy after they have exhausted their oil reserves.

C. fund intended to sustain the state's economy after oil reserves are exhausted.

D. fund intended to sustain the state's economy after exhausting its oil reserves.

E. fund that they intend to sustain the state's economy after oil reserves are exhausted.

正确选项是C, 我不明白A错在哪里,谢谢各位高手先^^

er...这好象是个基础知识点呢...

从句子简洁度考虑，同一词根的动词>形容词>抽象名词。抽象名词的正确概率一向很低...

谢谢楼上的^_^

可是A选项,好象平时我们经常这样写的呀...唉,大概平时的不是标准书面语吧...