__________ creatively, we must be able to look afresh at what we normally take for granted

A．Thinking            B．To think        C．Having thought       D．Think

_____ creatively，we must be able to look afresh at what we normally take for granted.

A．Thinking B．To think

C．Having thoughtD．Think

_____ creatively，we must be able to look afresh at what we normally take for granted.

1. A.
   Thinking
2. B.
   To think
3. C.
   Having thought
4. D.
   Think