标题: 想问一下大家一道困扰很久的语法题！！希望得到大家的帮助啦~~~！谢谢大家！ [打印本页] 作者: chase0810 时间: 2017-7-23 17:14 标题: 想问一下大家一道困扰很久的语法题！！希望得到大家的帮助啦~~~！谢谢大家！ Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated
at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led
to human beings.
(A) at 40 to 44 million years old provide evidence of
(B) as being 40 to 44 million years old provides evidence of
(C) that it is 40 to 44 million years old provides evidence of what was
(D) to be 40 to 44 million years old provide evidence of
(E) as 40 to 44 million years old provides evidence