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GWD26-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 dissipating by

我选了E，正确的选C，不懂啊，什么成份啊这是，感觉很奇怪

Trans World Entertainment Corporation, which owns
            the Record
                    Town and Saturday Matinee retail chains,
            announced that since sales of up to one-fourth of its stores are poor, they will be closed.

A.      that since sales of up to one-fourth of its stores
            are poor, they will be closed.

B.       it is closing up to one-fourth of its stores, which
            accounted for its poor sales

C.      it was closing up to one fourth of its stores
            because of poor sales.

D.      to be closing, on account of poor sales, up to one-fourth of its stores.

E.       having poor sales, such that up to one-fourth of its stores will be closed.

这题正确选C，我选A，不懂也是，announce后面不要加that 的？？

知道了