Prep07第28题与新prep188 题的关联问题

Tuncle

Prep07 中第28题为：

28.  Polio, although it is eradicated in the United States, it continues elsewhere and is able to be

      brought into the country by visitors.

     (A) Polio, although it is eradicated in the United States, it continues elsewhere and is able to be
     (B) Polio, although eradicated in the United States, it still continues elsewhere and can be
     (C) Although still continuing elsewhere, polio has been eradicated in the United States and could be
     (D) Although having been eradicated in the United States, polio still continues elsewhere and is
          capable of being
     (E) Although eradicated in the United States, polio continues elsewhere and could be

07语法笔记中关于D选项的错误是这样解释的：

现在分词的完成时态不能作定语修饰名词:如evidence having been proved…是错误的,可以改为 evidence proved…或evidence that have been proved…
而新Prep188题为：
Neuroscientists, having amassed a wealth of knowledge over the past twenty years
about the brain and its development from birth to adulthood, are now drawing solid conclusions
about how the human brain grows and how babies acquire language.

A.Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the
  brain and its development from birth to adulthood, are

B.Neuroscientists, having amassed a wealth of knowledge about the brain and its development from birth to
  adulthood over the past twenty years, and are

C.Neuroscientists amassing a wealth of knowledge about the brain and its development from birth to
  adulthood over the past twenty years, and are

D.Neuroscientists have amassed a wealth of knowledge over the past twenty years about the brain and
  its development from birth to adulthood,(A)

E.Neuroscientists have amassed, over the past twenty years, a wealth of knowledge about the brain and
  its development from birth to adulthood,

  正确答案是 A。

如此来看，Prep07的第28题D选项的Although having been eradicated in the United States，  
是否可理解为句子的伴随状语？
因为如果此句被理解成为定语重句，那新prep188的A选项用如何解释呢？

HyeHye

Prep07 中第28题中(D) having been eradicated使用错误,应该去掉having been; is capable of being表示拥有某种能力,用在此处不合适。
新Prep188中Neuroscientists, having amassed ... 不是被动形式，逻辑主语是Neuroscientists，其表示的动作在are now drawing ...之前用having done 完成形式。

Vodka

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