求教GWD-10-Q20

philipyu1025

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.same as A

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
这道题的答案是D，overcome 在这里是做分词修饰birds的吗？请NN指教

pfullsomer

顶啊 ！！同问！！ 修饰birds不用overcame么？

youngerlee

我来帮你分析一下，不过楼主你划线都没搞好。。。。，下次弄好点：
A项，this做主语错；
c，时态错；
E,overcome缺少谓语，否则并列结构错。就剩下d了，

WesternCder

我知道其他都不对....但不知道为什么D会对.....  D 中overcome到底是神马回事捏？

detectiveyangs

overcome是过去分词。作定语。

prompting表示前分句造成的结果。

logowuyi

overcome是过去分词。作定语。

prompting表示前分句造成的结果。
detectiveyangs 发表于 2011-1-8 21:21

我是也是这样想滴   但不是要用overcame吗？

parispings

overcome  overcame（过去式）  overcome（过去分词）
这道题目应该用 过去分词~