——Excuseme,butcouldyoupleasetu-优题课

题文

——Excuse me, but could you please turn the radio down?
——Sorry, I _________ you could hear it.

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

科目英语题型单选题难度中等

知识点：时态辨析

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