问题
选择题
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
答案
答案：C
题目分析：考查现在分词的被动做定语：句意：来自顶楼的正在被装修的会议室传出的噪音，可以从我们教室清楚的听见。从句意可知：显然房子正在被装修，所以应该用进行时态，房子被装修，所以要用被动，选C。