问题详情

What is the news item mainly about？

A．Top industrial countries met in the US for the world finance.

B．Developing economies met in the US for a summit on finance.

C．G20 leaders met in the US for a summit on future world finance.

D．Developing and industrial economies met in the US for a summit on finance.

请帮忙给出正确答案和分析，谢谢！