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---This is the seat for the disabled.
--- Oh, sorry. I ____________ that.

A.didn’t realize B.don’t realize
C.haven’t realized D.hadn’t realized

A

解析试题分析:句意:上文,这是为残疾人准备的座位。下文,抱歉,我刚才没有意识到。表示过去发生的事情,故用一般过去时,选A。
考点:考查时态

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