In the mid-1970's, since birds were overcome by pollution, and routinely falling from the sky above Los Angeles freeways, this prompted officials in California to devise a plan that reduced automobile emissions. A. since birds were overcome by pollution, and routinely falling from the sky above Los Angeles freeways, this prompted officials in California to devise a plan that reduced B. since birds that had been overcome by pollution were routinely falling from the sky above Los Angeles freeways, it prompted officials in California to devise a plan that would reduce C. birds had been overcome by pollution and routinely fell from the sky above Los Angeles freeways, prompting officials in California to devise a plan that reduced D. birds overcome by pollution routinely fell from the sky above Los Angeles freeways, prompting officials in California to devise a plan to reduce E. birds overcome by pollution and routinely falling from the sky above Los Angeles freeways were prompting officials in California to devise a plan to reduce Answer: D 想要请问一下C错在哪? 还有"birds overcome by pollution routinely fell..."这句要怎麽翻? 跟原本的"by pollution and routinel fell..." 有什麽不同? 谢谢!!! -- 音乐史, 我永远恨你.. (╯‵□′)╯︵ ┴─┴ --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 68.122.217.53