I received a call one morning from a lady, but she phoned , as she kept asking to speak to someone else who I didn’t know at all.
A. by accident
B. by mistake
C. by chance
D. by force
网友回答
A. by accident
(答案→)B. by mistake
C. by chance
D. by force
解析：by accident偶然；by mistake错误地；by chance偶然；by force靠武力。句意：一天早晨我接到一个女士打来的电话，但是她打错了，她一直在说让某一人我不认识的人接电话。根据句意故选B。