It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.

It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.

1. A.
   不填; that
2. B.
   what; that
3. C.
   that; that
4. D.
   that; what

It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.

A. 不填; that  B. what; that   C. that; that    D. that; what

It is _____ Tom often surfs the Internet playing games ______ makes his parents very angry.