It was a pity that he missed the meeting _____ in London last mo

It was a pity that he missed the meeting _____ in London last month.
A、held
B、to hold
C、to be held
D、having held
【正确答案】：A
【题目解析】：考查非谓语动词的用法。该句的意思是：“真遗憾，他没有参加上个月在伦敦召开的会议。”故选A，使用过去分词作定语表示开会的活动已经完成。