Cedric was so angry that he kicked a chair and broke one of its legs, ______ was rather funny.

　　A. as B. it C. that D. which

Cedric was so angry that he kicked a chair and broke one of its legs, _________ was rather funny．

1. A.
   as
2. B.
   it
3. C.
   that
4. D.
   which

Cedric was so angry that he kicked a chair and broke one of its legs, ________ was rather funny.

[　　]