I am afarid you can't go into the bedroom.It________yet.A.hasn't been cleaned B.hasn't cleaned(续上）C.isn't cleaned D.wasn't cleaned为虾米这里要选A啊?

I am afarid you can't go into the bedroom.It________yet.A.hasn't been cleaned B.hasn't cleaned
(续上）
C.isn't cleaned
D.wasn't cleaned
为虾米这里要选A啊?

A.hasn't been cleaned 现在完成时被动语态

It 指代 bedroom 用被动。 yet 完成时