一个独立主格，和run-on搞到一起了。大家还见过类似的题目么？

changtong

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

thechooosenone

run-on是两个不同主语的独立句子，这个句子这有sound一个主语，its acoustic...就像你说的是独立主格，不是一个完整句子~所以不存在run-on