Unfortunately when I arrived she so we had only time for a few words.A. just leftB. had

问题补充：

Unfortunately, when I arrived she , so we had only time for a few words.

A. just left

B. had just left

C. has just left

D. was just leaving

答案：

A. just left

B. had just left

C. has just left

(答案→)D. was just leaving

解析：考查时态。句意：不幸的是，当我到达时，她正要离开，因此我们只有说几句话的时间。根据题意可知从句描述的是过去某时正在进行的动作，故用过去进行时态。选D。