The telephone three times in the last hour, and each time it for my father.
A. had rang; was
B. has rung; was
C. rang; has been
D. has been ringing; is
网友回答
A. had rang; was
(答案→)B. has rung; was
C. rang; has been
D. has been ringing; is
解析:按英语语法,“in the last [past]+一段时间”通常与现在完成时连用。