What on earth is that noise?- Oh the next flat A. was decoratedB. was decoratingC

问题补充：

--- What on earth is that noise?

--- Oh, the next flat ．

A. was decorated

B. was decorating

C. is being decorated

D. is to be decorated

答案：

A. was decorated

B. was decorating

(答案→)C. is being decorated

D. is to be decorated

解析：考查时态。根据句意可知，下一层楼正在被装修，故用现在进行时的被动语态，选C。