Five hundred million different species of living creatures have appeared on Earth, nearly 99 percent of them vanishing._这道题A可以排除，B如果按头重脚轻排除的话C就可以选呀，用的倒装形式（我就选了C），DE我看到出现和灭绝都用了现在完成时就排除了，这俩动作时间先后顺序很明显呀我觉得不应该用一样的时态。求解答谢谢老师出国考试答疑器_GMAT

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 99 percent 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.

这道题A可以排除，B如果按头重脚轻排除的话C就可以选呀，用的倒装形式（我就选了C），DE我看到出现和灭绝都用了现在完成时就排除了，这俩动作时间先后顺序很明显呀我觉得不应该用一样的时态。求解答谢谢老师

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解答：金栩竹

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