来自李凌军的问题
Unluckily，whenIarrived，myfriend____，soweonlyhadtimeforafewwords．（）A.wasjustleavingB.hadjustleftC.hasjustleftD.justleft
Unluckily，when I arrived，my friend ____，so we only had time for a few words．（）
A.was just leaving
B.had just left
C.has just left
D.just left
