What is the main idea of the news item？A．A fire broke out when people were busy scooping u

What is the main idea of the news item？

A．A fire broke out when people were busy scooping up the petrol.

B．More than 100 people were engulfed by flames.

C．A fire caused by gas spill put 57 people to death.

D．As the petrol started to spill, local people ran up with cans to collect it.

请帮忙给出正确答案和分析，谢谢！