— What’s the main purpose of tonight’s meeting?— We are going to talk about the problem a

— What’s the main purpose of tonight’s meeting?
— We are going to talk about the problem at the last meeting.
A. having discussed
B. to be discussed
C. being discussed
D. discussed

A. having discussedB. to be discussedC. being discussed(答案→)D. discussed解析：考查非谓语动词作后置定语。 the problem 和 discuss是动宾关系，所以要用过去分词形式；且 last meeting表示事情已经过去，选D。表被动和完成。

哦，回答的不错