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 Q39: 
 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. 
   
 Answer: B 
 But, why D is not correct? Thanks |