OG 13 SC 25题目如下
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,
E.Neuroscientists have amassed, over the past twenty years, a wealth of knowledge about the brain and its development from birth to adulthood,
这道题答案是A，自己当初也做对了，对于OG解析上的E选项的错误之处也能理解。现在的困惑是这个E选项里面的“comma逗号”是否“违和感”过强呢？我的理解是E选项中间over the past twenty years前面的逗号是错误的，按照Manhattan语法上的说法，似乎是“non-essential”修饰语要拿逗号隔开而“essential”修饰语则不能拿逗号隔开，这里面我感觉over the past twenty years应该算是“essential”修饰语，所以我觉得就逗号而言，E选项也有一定的问题......不知道各位CDer怎么看？
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发表于 2013-4-7 12:52:08
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