Hi Mike are you busy now?- Not really. I my work and I’m going to see a movie on

问题补充：

--- Hi Mike, are you busy now?

--- Not really. I my work, and I’m going to see a movie online.

A. did

B. have been doing

C. had done

D. have done

答案：

A. did

B. have been doing

C. had done

(答案→)D. have done

解析：考查动词时态。句意：--嗨，迈克，你现在忙吗？--不怎么忙。我刚刚做完工作，正要在网上看部电影。从答语Not really和I’m going to see a movie可以推断工作已经做完了，排除B选项；因为句中没有过去的时间相对比，所以不能用过去完成时，排除C选项；而一般过去时仅仅表示动作在过去发生，不强调对现在的影响，故A选项错误。正确答案是D。