—I say, Harry, What did you say to the laid –off worker just now ?— Nothing, I to myself.

—I say, Harry, What did you say to the laid –off worker just now ?
— Nothing, I to myself.
A. had only talked
B. am only talking
C. have just talked
D. was just talking

A. had only talkedB. am only talkingC. have just talked(答案→)D. was just talking解析：语境中给予的时间信息：你刚才和那个被解雇了的工人说了些什么？显然双方在谈论过去的情况，只有D符合。过去进行时表示过去某一时刻正在进行的动作；我当时在自言自语。

这个解释是对的