2. 外语
  3. The herbicide Oryzalin was still being produced in 1979, three years after the wives of workers producing the chemical in Rensse

The herbicide Oryzalin was still being produced in 1979, three years after the wives of workers producing the chemical in Rensse

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问题 The herbicide Oryzalin was still being produced in 1979, three years after the wives of workers producing the chemical in Rensselaer, New York, were found to have borne children with heart defects or miscarriages, and none of their pregnancies was normal.
选项 A、to have borne children with heart defects or miscarriages, and none of their pregnancies was
B、to have had children born with heart defects or miscarriages, and none of the pregnancies was
C、either to have had children born with heart defects or miscarriages, without any of their pregnancies being
D、either to have had miscarriages or to have borne children with heart defects; none of the pregnancies was
E、either to have had miscarriages or children born with heart defects, without any of their pregnancies being
答案D
解析 注意此处：found和“生下有心脏缺陷的小孩”和“有过流产”这几个动作发生的时间顺序，只有D既满足平行结构要求，又用了动词不定式的完成体，反映了后两个动作是在found之前发生的。
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