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

问题补充：

— 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

答案：

A. had only talked

B. am only talking

C. 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。