54. (    ) 

41. According to Sentence 2, which of the following is true?

• A、The destruction is similar to the killing of each other within human beings.
  
  

• B、There is not the similar destruction now, but it occurred before. 
  
  

• C、There is never a time when we may see the similar destruction. 
  
  

• D、The destruction is now a thing of the past. 
  
  

10. —I usually travel by train. 

—Why not (   ) by plane for a change?

• A、to try going 
  
  

• B、trying to go
  
  

• C、to try and go
  
  

• D、try going