— I didn't realize how popular the restaurant was until I made a reservation the other day.
— I beg your pardon, but when __________?
A. was it that you realized it B. it was that you realized it
C. you realized it D. was you realized it
— I didn't realize how popular the restaurant was until I made a reservation the other day.
— I beg your pardon, but when __________?
A. was it that you realized it B. it was that you realized it
C. you realized it D. was you realized it
A