Unfortunately, when I dropped in, Doctor Li for Beijing to join in the fight again SARS, so we only had time for a few words.
A. just left
B. has just left
C. is just leaving
D. was just leaving
网友回答
A. just left
B. has just left
C. is just leaving
(答案→)D. was just leaving
解析： 动词时态的考查。当我去看他时，他正要去北京参加抗击非典，所以只跟他说了几句话。情景是他正要去。又因为e，leave，arrive等动词的进行时表将来时，故答案为D.