Rabbits' natural enemies prevent them from（）

• A、 becoming a big trouble
  
  

• B、 breeding when young
  
  

• C、living in holes
  
  

• D、becoming social animals
  
  

Pawnbrokers pay more attention to the resale value of an object instead of（）

Helen found it easy to accept the idea of having her sisters as her best friends.

• A、True
  
  

• B、Fals
  
  

• C、Not Given