The noise from the top floor, loud and constant, of the meeting-room ______ can be clearly heard in our classroom.

A. to be decorated                                                      B. having been decorated

C. being decorated                                                           D. decorated

The noise from the top floor, loud and constant, of the meeting-room ______ can be clearly heard in our classroom

1. A.
   to be decorated
2. B.
   having been decorated
3. C.
   being decorated
4. D.
   decorated

The noise from the top floor，loud and constant，of the meeting-room_________ can be clearly heard in our classroom．

A．to decorate?????????????????????????????? B．having been decorated

C．being decorated?????????????????????????? D．decorating