The question at tomorrow’s meeting is of great importance.
A. to discuss
B. being discussed
C. to be discussed
D. discussed
网友回答
A. to discuss
B. being discussed
(答案→)C. to be discussed
D. discussed
解析：考查非谓语动词。根据语境可知问题即将被讨论，故用不定式的被动形式作定语。句意：明天即将在会议上被讨论的问题非常重要。