Which of the Following Statements Is True of State and Local

Which of the following statements is true of state and local administrative agencies?

A) When federal and state agency laws conflict, the Supremacy Clause of Article VI of the U.S. Constitution plays a decisive role.
B) State and local administrative agencies have been created by only 25 states of the United States.
C) Real estate planning boards, zoning commissions, and supervisory boards operate at the state level.
D) Agencies that regulate state-chartered banks are assigned duties by Congress, but governed by the state legislature.