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

问题补充：

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

A. just left

B. has just left

C. was just leaving

D. had just left

答案：

A. just left

B. has just left

(答案→)C. was just leaving

D. had just left

解析：考查时态。根据语境：我们只有说几句话的时间，可知我们到的时候她正要离开，故用过去进行时表示过去将要发生的动作，选C。