prep模考中题目

crystal_10

Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that compete one day may be partners the next.

• 
  Whereas lines of competition are clearly defined in the more established industries, in the Internet industry they are blurred and indistinct, as companies that compete
  
• 
  Although the lines of competition are clearly defined in industries that are more established, they are blurred and indistinct in the Internet industry, as competing companies
  
• 
  The lines of competition are clearly defined in the more established industries, unlike the Internet where they are blurred and indistinct, as companies that compete
  
• 
  Unlike more established industries, where the lines of competition are clearly defined, they are blurred and indistinct in the Internet industry, as companies that compete
  
• 
  Unlike more established industries, with clearly defined lines of competition, those of the Internet industry are blurred and indistinct, as competing companies      
  
• 
  
  
• 正确答案是A，我之前选择的B，不知道B的具体错误在哪里？                                 
  
• 
  
  
  

玻利维亚的冬天

one day是时间状语 不能修饰句尾的competing companies