At the climate conference,China promised to take its responsibility_____urging(要求) that the major developed countries should show their political will about the matter of global warming A．while B．when C．as D．until求翻译求理解

At the climate conference,China promised to take its responsibility_____urging(要求) that the major developed countries should show their political will about the matter of global warming A．while B．when C．as D．until求翻译求理解
At the climate conference,China promised to take its responsibility_____
urging(要求) that the major developed countries should show their political will about the matter of global warming
A．while B．when C．as D．until
求翻译求理解

At the climate conference,China promised to take its responsibility_____urging(要求) that the major developed countries should show their political will about the matter of global warming A．while B．when C．as D．until求翻译求理解
A．while
表示同时怎么样怎么样
在气候峰会上,中国表示承诺承担责任,并同时!要求主要的发达国家,必须对全球变暖展示政治上的诚意.
祝好!

C 就像要求的那样……urging(要求) that the major developed countries should show their political will about the matter of global warming

在气候会议上，中国在要求主要发达国家应该就全球气候变暖一事表明其政治意愿时，承诺担负起自己的责任
while + ving 形式表时间“ 在。。。。时候”强调时间段