（1）     GWD-26-Q37

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 dissipatingby

E the best  ，为何选E？很难明白~~另外前面的讨论出现过这个：

这句话的原文都可以找到，来自98年的纽约时报

Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy by boundaries in the ocean created by water layers of differing temperatures and densities.

那是否证明答案应该选c?

同样困惑！~

不过C项这种句末结构怪怪的。。。