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下题答案选了C。说“its acoustic energy"+"prevented" 做了独立主格。我当时觉得句子run-on,所以直接排除了c,d。想问一下,大家还碰见过类似的句子么?能post一下吗?不胜感激!
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
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