新东方补充教材section11,第12题

gustav

12. 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 econ-
omy after oil reserves are exhausted
D和E犹豫了，最后选的是D，答案是E，也不觉得奇怪，想问D的用法为什么不行？

gustav

还是没太明白，那两个词有什么问题呢？