The problem _______ at tomorrow’s meeting is a very difficult one_英语解答

The problem _______ at tomorrow’s meeting is a very difficult one.
The problem _______ at tomorrow’s meeting is a very difficult one.
A、being discussed
B、discussed
C、to be discussed
D、to discuss
选哪一个,

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解答

选择C
to be discussed表示还没有讨论,to是有表示将来时的意思,另外beingdiscussed表示正在讨论
discussed表示已经讨论,所以选择C
翻译：明天会议上将要讨论的问题是一个非常难的问题