作者qctm (张奇奇哈哈)
看板GMAT
标题[问题] ov-108
时间Fri Jan 23 13:39:57 2015
Economist wrote:
Set26-37
Sound can travel through water for enormous distances,(prevented from dissipating its acoustic energy as a result of)boundaries in the ocean created by water layers of different
temperatures and densities.
A. prevented from dissipating its acoustic energy as a
result of
B. prevented from having its acoustic energy dissipated by
C. its acoustic energy prevented from dissipating by
D. its acoustic energy prevented from being dissipated as
a result of
E preventing its acoustic energy from
答案是C
我选D
我不懂
1.为什麽C的from後面可以用主动，energy会主动做dissipating的动作吗
2.为什麽as a result of 不行？
如果真的想表示藉由boundaries
不是应该用through +N或by+Ving吗
还是说by後面接什麽都可以？
谢谢帮忙。
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