1道pp语法，请教！

IcePoint

Spurred by the phenomenal growth of the
   city of Chicago after the Civil War, Illinois
   became ________.

       that a major industrial state  
       to a major industrial state  
       a major industrial state  
       to be a major industrial state  

请问become和become to be的区别。

谢谢！

workman

答案是D吗？
不是的话就不好误导你了

necrophile

答案：C
BECOME TO BE： 我觉得没有此用法。
the person was forced to be a doctor.  i am going to be...., suppose to be. etc.
TO BE 我想差不多只能出以上的情况。

IcePoint

workman: the answer is C

workman

多谢icepoint提供这道题，又让我长了见识，还有necrophile的讲解

IcePoint

多谢necrophile！

也谢谢workman。