Which Statement Best Describes the Division of Responsibility Between State

Which statement best describes the division of responsibility between state and federal governments with regard to K-12 educational policy?

A) The federal government historically has been much more focused on higher education, leaving states and local governments to manage their K-12 programs until recently.
B) Until this century, the federal government has been the dominant force in education policy, while state governments mostly have implemented policy.
C) The federal government funds No Child Left Behind, but all other education funding comes from each state.
D) The federal government approves state educational reforms and provides most of the educational funding.