-Oh it’s already a quarter past six. What shall we do at the meeting this evening? -We’ll

问题补充：

-Oh, it’s already a quarter past six. What shall we do at the meeting this evening?

-We’ll go on with the matter this afternoon.

A. be discussed

B. being discussing

C. discussed

D. which discussed

答案：

A. be discussed

B. being discussing

(答案→)C. discussed

D. which discussed

解析：考查非谓语动词。“噢，已经6：:1了。今晚的会议有什么事情要做？”“我们将会继续下午讨论的问题。”The matter和discuss是动宾故选，应该用过去分词，表示完成和被动。故选C。