OG12 27题

鹤源

27.     Paleontologistsbelieve that fragments of a primate jawbone unearthed in Burma andestimated at 40 to 44 million years old provide evidence of acrucial step along the evolutionary path that led to human beings.  
(A)        at 40 to 44 millionyears old provide evidence of
(B)        as being 40 to 44million years old provides evidence of
(C)        that it is 40 to 44million years old provides evidence of what was
(D)       to be 40 to 44 millionyears old provide evidence of
(E)        as 40 to 44 millionyears old provides evidence of what was


此题正确答案是D，请问E中的what was有错误吗？

酱子啊

E错, 首先。年龄是estimate  at..old
然后 后面的what was 累赘了 你读一下
还有OG上很多时候判断一个答案不对，给出的解释就是，wordy 了......