问题详情

The recent discoveries of rare minerals in the Mrima Hills in Kwale______.

A．caused a dispute among the company, the government and the local communities

B．could be worth more than 500 billion dollars

C．confirmed the improvement of the openness of the mining industry

D．might upset the big mining projects in other parts of the country

请帮忙给出正确答案和分析，谢谢！