咨询一题GWD，没找到讨论贴～

Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

A.      Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.

B.       Nearly 99 percent of five hundred million different species of living creatures that appeared on Earth have vanished.

C.      Vanished are nearly 99percent of the five hundred million different species of living creatures that appeared on Earth.

D.      Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them have vanished.

E.       Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.

答案是E。TN -4套39题哦～

Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing.
                

A.      Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing. （一般性独立主格结构，但是为什么不好我说不清楚，感觉跟e比较没e好）

B.       Nearly 99 percent of five hundred million different species of living creatures that appeared
            (appeare发生在vanish前面，时态不对)on Earth have vanished.

C.      Vanished are nearly 99percent of the five hundred million different species of living creatures that appeared on Earth.（与原句意思不符）
            

D.      Of five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent of them（与前置的of介宾短语重复了） have vanished.

E.       Of the five hundred million different species of living creatures that have appeared on Earth, nearly 99 percent have vanished.