21.（  ）

• A、of
  

• B、in

• C、for
  

• D、to

 According to environmentalists, what causes BP to oppose banning plastics?

• A、 Its consideration of its own interest.
  
  

• B、Its worry about the loss of consumers.
  
  

• C、Its desire to influence world economy.
  
  

• D、Its concern about the environment.
  
  

58.(  )