—Linda I called you this morning but nobody answered the phone.—I’m sorry. I football w

问题补充：

—Linda, I called you this morning, but nobody answered the phone.

—I’m sorry. I football with my friends then.

A. play

B. played

C. am playing

D. was playing

答案：

A. play

B. played

C. am playing

(答案→)D. was playing

解析：句意：琳达，今天上午我给你打电话，但是没人接。对不起，那时我在和朋友踢足球。根据句意，是指打电话时正在踢足球，所以要用过去进行时，故选D。