单项选择题

It wasn't until I got to the office this morning that I realized this was Thursday and I had missed our lunch date yesterday.

A.我直到早晨到了办公室才意识到今天已是星期四了,才想起我误了我们昨天中午一起吃午饭的约定。
B.我直到早晨到了办公室才想起今天已是星期四了,我很怀念我们昨天中午一起吃的午饭。
C.要不是早晨到了办公室,我根本没有意识到今天已是星期四了,才想起我误了我们昨天中午一起吃过午饭。
D.早晨还没到办公室,我就意识到今天是星期四了,我很怀念我们中午一起吃午饭的日子。