——Do you know who left the computer on all night long? 

——It seems that Tom is_______. He played computer games yesterday afternoon

A. blaming    B. blamed     C. to blame    D. to be blamed

——Do you know who left the computer on all night long? 
——It seems that Tom is_______. He played computer games yesterday afternoon

1. A.
   blaming
2. B.
   blamed
3. C.
   to blame
4. D.
   to be blamed