——Excuseme,butcouldyoupleaseturntheradiodown?——Sorry,I...

问题详情：

 ——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

【回答】

C

知识点：动词时态

题型：选择题