conlisk
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SC - Sound through water

by conlisk Sat Jul 09, 2011 7:15 pm

This is question #108 in the Verbal Review 2nd Edition:

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 dissipating by


I understand the theory of the sentence - that the boundaries in the water prevent the acoustic energy in sound from dissipating - but, I just don't understand what is grammatically wrong with choice A relative to choice C (the correct answer). If somebody knows why, please enlighten me.
george.kourdin
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Re: SC - Sound through water

by george.kourdin Mon Jul 11, 2011 10:59 am

think its 2 things:

1) choice A modifies distances, which makes no sense in the cotnext of the whole sentence
2) energy dissipating <as a result of boundaries> is an awkward/impromer cosntruction
conlisk
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Re: SC - Sound through water

by conlisk Mon Jul 11, 2011 11:34 pm

In the correct answer choice C, does having a comma followed by "its" not create a sentence fragment?