—No, he____ his mind after a phone call at the last minute.

A. changes B. changed

C. was changing D. had changed

【答案】B

【解析】试题分析：句意：彼得来了吗？没有，刚才接到一个电话后改变主意了。根据at the last minute在最后一秒可能发生在过去，故用一般过去时。