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-Oh,it's you!I_you.-i've just had my hair cut ,and i'm weari

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-Oh,it's you!I_you.-i've just had my hair cut ,and i'm wearing new glasses
A.didn't recognize B.hadn't recognize
C.haven't recognized D.don't recognize
为什么选A不选B
-Oh,it's you!I_you.-i've just had my hair cut ,and i'm weari
首先,选填题目的选项必须要语法正确,排除B
其次,时态要符合句意,d排除
最后,recognize是非延续性动词,不能用在完成时态,排除C
从句意讲,“我一开始没认出你”,这个动作发生在过去,而且对现在的影响也消失了,所以应该选用简单的过去动作表示--即一般过去时