It was not until after I got home
that I realized I had not set the burglar alarm in the office.
A. On the way home, I
suddenly realized that I had forgotten to turn on the burglar alarm in the
B. Fortunately, I
realized that I hadn't set the burglar alarm just before I left for home;
otherwise, I would have had to travel all the way back to the office.
C. I didn’t turn the
burglar alarm on before I left the office, but I only became aware of this
after I'd arrived home.
D. I wish I had
realized before I arrived home that I hadn't turned on the burglar alarm in the
office, then it would have been easier to go and set it.