高考英语单选John was so excited that night that it was a

问题补充：

高考英语单选John was so excited that night that it was a long time

答案：

John was so excited that night那天晚上约翰很激动 that it was a long time before he went to sleep.以至于激动了老半天才安稳入睡

选A. before 意为在（入睡）以前