问题详情

Which statements is true as to the description of the NYMEX and IPE？

A．They are both adopting open-outcry trading practice.

B．They are both making efforts to modernize the trading practice.

C．They are competing in the oil trading market.

D．They are competing to take the largest share in world"s commodity trade.

请帮忙给出正确答案和分析，谢谢！