I computer games at home when my cousinme.A. was playing was ringingB. was playing rangC

问题补充：

I computer games at home when my cousinme.

A. was playing, was ringing

B. was playing, rang

C. played, rang

D. played, was ringing

答案：

A. was playing, was ringing

B. was playing, rang

C. played, rang

D. played, was ringing

解析：考查动词时态。句意：当我的表弟给我打电话时，我正在家里玩游戏。Be doing when ...表示正在做某事时，这时发生了什么事情。故选B项。