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          —The authors of computer viruses are geniuses.
          —I agree. If they applied their wisdom to other net technology _____ human beings can benefit, it would be better.
          A．in whichB．through whichC．from whichD．during which
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          C
          考查介詞與關(guān)系詞引導(dǎo)的定語(yǔ)從句。benefit from通過(guò)……獲利。因此，選擇C項(xiàng)。  
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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