-This is the seat for the disabled.Oh sorry. I that.A. didn’t realizeB. don’t rea

问题补充：

---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

答案：

(答案→)A. didn’t realize

B. don’t realize

C. haven’t realized

D. hadn’t realized

解析：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。