—Icalledyouatabouthalfpasteightlastnight,butnobodyanswe...

問題詳情：

—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

知識點：動詞時態

題型：選擇題