A-A+ The head of the U. S. Central Bank says the ke 2022-08-01 23:36:41 问答库 阅读 168 次 问题详情 The head of the U. S. Central Bank says the key driver of the U. S. economy isA．employment rate.B．consumer spending.C．interest rate.D．gold reserve.请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：B
