The moment I got home, I found I ___________ my jacket on the pl

The moment I got home, I found I ___________ my jacket on the playground.
A、had left
B、left
C、have left
D、was leaving
【正确答案】：A
【题目解析】：考查动词时态。参照时态found是过去时，根据题干意思leave一词的动作发生在found之前，即过去的过去，用过去完成时，故选A项。8项是过去时;C项是现在完成时;D项是过去进行时。