—Icalledyouatabouthalfpasteightlastnight,butnobodyanswe...

问题详情：

—I called you at about half past eight last night, but nobody answered.

—Oh, I        in my office at that time.

    A. will work   B. was working      C. worked      D. had worked

【回答】

B

知识点：动词时态

题型：选择题