—Why are you so late?—I was in half the way when itto me that I had left my notebook home，

—Why are you so late?
—I was in half the way when it to me that I had left my notebook home，so I had to fetch it.
A. occurred
B. hit
C. happened
D. reminded

(答案→)A. occurredB. hitC. happenedD. reminded解析：固定句型。It occured to sb 使某人突然想起某事，句意：就是在半路上我突然想起我把我的笔记本落在家里了，因此，我不得不回去取拿。所以选A。

就是这个解释