__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear请说明理由
问题描述：
__a noise just then?A.Have you heard B.Were you hearing C.Are you hearing D.Did you hear
请说明理由
答
D.Did you hear
因为heard 是hear 的过去时态，所以问did
答
D just then是典型的过去时态标志
答
选D just then 指那时，肯定是过去了
答
D
just then 刚才，用于一般过去时。
祝你开心。
答
D
根据then是“在那时”,用一般过去时.
答
D just now是过去式标志
答
A