1971年，中国恢复在联合国的合法席位。40多年来，中国在国际事务中发挥的作用越来越大，请问下列哪次会议讨论了组建联合国的有关问题

A．巴黎和会

B．华盛顿会议

C．雅尔塔会议

D．慕尼黑会议

I can’t remember how many years ago _____ a fight broke out between the husband and the wife.

A．it was when

B．was it that

C．it was that

D．was it when