---Hello！May I speak to Jack, please?
---Yes, speaking.
---Oh, I _______ your voice at first.A.don’t recognize.B.didn’t recognize.C.hadn’t recognized.D.haven’t recognized.
网友回答
B解析本题考查动词时态。句意为：“我”最初没有辨认出“你”的声音。说话的时候已经听出来是Jack的声音，“没听出来”是说话前的动作。所以应该用过去时态。