— I went to your house yesterday afternoon but you were not in.— Sorry. I basketball wit

问题补充：

— I went to your house yesterday afternoon, but you were not in.

— Sorry. I basketball with my classmates.

A. am playing

B. was playing

C. played

D. have played

答案：

A. am playing

(答案→)B. was playing

C. played

D. have played

解析：此题考查过去进行时的基本用法和构成，表示昨天下午你去找我的那个时刻我正在打篮球，故选B。