the last time I( )Sandy,she( )in beijing

问题描述:

the last time I( )Sandy,she( )in beijing
A had seen,was working
B saw,worked
C had seen,working
D saw,was working
求原因

D saw,was working
以回忆的口吻说 “我最后一次见到三迪的时候,她正在北京工作”.