I the TV series The Legend of Zhenhuan when my mom made a phone call to me.
A. am watching
B. watching
C. was watching
D. was watched
网友回答
A. am watching
B. watching
(答案→)C. was watching
D. was watched
解析：考查时态。句意：当我妈妈打电话给我的时候，我正在看电视连续剧《甄嬛传》。根据句意说明是在过去的某个时间点上正在进行，正在发生的动作。故使用过去进行时。故C正确。