—I’m your old friend Tom. We used to study in the same high school.
—Tom? I’m sorry I you. Where have you been all these years?
A. haven’t recognized
B. hadn’t known
C. don’t know
D. didn’t recognize
网友回答
A. haven’t recognized
B. hadn’t known
C. don’t know
(答案→)D. didn’t recognize
解析：可联系答.案.网客服索取。