问题详情

CFTC regulates the market of Wall Street strictly because

A．cross-border transactions can impact the domestic market.

B．U.S. firms should follow almost the same rules internationally.

C．Wall Street failed to regulate itself with effective policies.

D．the size of the market is vast and it is profitable for the government.

请帮忙给出正确答案和分析，谢谢！