He ________ with the general for three years and was sorry to se

He ________ with the general for three years and was sorry to see him go.
A、had worked
B、has worked
C、was working
D、is working
【正确答案】：A
【题目解析】：was sorry to see him go是过去的时间点，在这之前他们已经工作了三年，因此用过去完成时。