---Who called just now?
---I don’t know because I didn’t his voice.
A. listen
B. recognize
C. get to know
D. realize
网友回答
A. listen
(答案→)B. recognize
C. get to know
D. realize
解析:句意:--刚才谁打电话了?--我不知道因为我没有听出他的声音。Listen听,强调听的动作;recognize听出,认出;get to know逐渐了解;realize意识到,实现。根据句意故选B。