——Who telephoned just now?
——Sorry. I couldn’t the voice.
A. recognize
B. realize
C. know
D. understand
网友回答
(答案→)A. recognize
B. realize
C. know
D. understand
解析：词义辨析。Recognize认出，识别；realize 实现，意识到；know知道；understand 明白，了解。句意：刚才谁打电话了？——抱歉。我听不出嗓音。故选A，识别。