标题: OG16 51题 [打印本页] 作者: metina7 时间: 2015-10-20 13:26 标题: OG16 51题 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,
