—Jack,comeouttothekitchentohavelunch!—Mum,waitaminute!I...

問題詳情：

—Jack, come out to the kitchen to have lunch!

—Mum, wait a minute! I _____ friend of mine on the phone whom I knew when I was at college.

A. was talking to      B. am talking to         C. talked           D. have talked

【回答】

B

知識點：現在進行時及其被動式

題型：選擇題