---Ivisitedyoulastnight,butyouwasn’tathome.      ---I’m...

問題詳情：

--- I visited you last night, but you wasn’t at home.

       --- I’m terribly sorry. I ________ at that time.

     A. shopped    B. have shopped   C. was shopping    D. am shopping

【回答】

C 

知識點：動詞時態

題型：選擇題