Mr.White is now in Beijing and runs a company ________ in Zhongguancun together with some Chinese friends.

1. A.
   to base
2. B.
   basing
3. C.
   to be based
4. D.
   based

 Mr.White is now in Beijing and runs a company ________ in Zhongguancun together with some Chinese friends.

A. to base                            B. basing?                   C. to be based               D. based

Mr. White is now in Beijing and runs a company 　　   in Zhongguancun together with some Chinese friends.

A.to base　　　　　　　　　　  B.basing?　　　　　　　　   C.to be based　　　　　　    D.based

A.to base　　　　　　　　　　  B.basing?　　　　　　　　   C.to be based　　　　　　    D.based