_____ when the light went on last night?

A．What were you doing

B．What have you done

C．What did you do

D．How were you doing

下列有关资产减值的会计处理，正确的有（）。

A.资产减值损失确认后在以后会计期间可以转回

B.资产减值损失一经确认在以后会计期间不得转回

C.确认减值损失后的无形资产未来摊销额一般不予调整

D.资产的可收回金额低于其账面价值的应当确认减值损失

E.确认减值损失后的固定资产的折旧额应在未来期间进行调整