-I’m sorry I stepped outside for a smoke. I was very tired. -There is no for thi

—I’m sorry I stepped outside for a smoke. I was very tired.

—There is no______ for this while you are on duty.

A. reason                    B. excuse        C. cause                           D. explanation

试题答案

B

解析:

当你值班的时候出去吸烟是没有任何借口的。