Only when you told me about it ________ what a silly thing I had done.

A. I realized        B. did I realize        C. I did realize    D. did I realized

Only when you told me about it ________ what a silly thing I had done.

1. A.
   I realized
2. B.
   did I realize
3. C.
   I did realize
4. D.
   did I realized

Only when you told me about it ________ what a silly thing I had done.

A. I realized       B. did I realize        C. I did realize    D. did I realized

Only when you told me about it ________ what a silly thing I had done.