At least 300 million people are using QQ _____by Ma Huateng to chat on line.

At least 300 million people are using QQ _____by Ma Huateng to chat on line.

1. A.
   create
2. B.
   creates
3. C.
   creating
4. D.
   created

At least 300 million people are using QQ _________ by Ma Huateng to chat on line．

A．create            B．creates               C．creating                 D．created

 At least 300 million people are using QQ _____by Ma Huateng to chat on line.

A. create       B.  creates     C. creating        D. created

At least 300 million people are using QQ _________ by Ma Huateng to chat on line．

At least 300 million people are using QQ _____by Ma Huateng to chat on line.