恐龙化石问题

valleywest

From PREP2 SC

    

A group of paleontologists recently announced that a site in Utah has
yielded fossils of some of the biggest armored dinosaurs ever found,
_____ found in North America.

C. and the fossils are at least 25 million years older than any similar dinosaur types that previously were

D. fossils that are at least 25 million years older than those ofany similar dinosaur type previously

E. fossils at least 25 million years older than similar dinosaur types that were previously

    
Correct answer is D


C是不是错在previously were (should be were previously)???

E: 错在哪?

    

谢谢!!!

[此贴子已经被作者于2008-2-24 23:40:11编辑过]

racing78

C,E都錯在比較對象錯誤

fossils不能跟type比

valleywest

Cool! Thanks!