―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
―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
B 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,用过去时。