Which of the Following Statements Concerning Bank Regulation in the United

Which of the following statements concerning bank regulation in the United States is true?

A) The Office of the Comptroller of the Currency has the primary responsibility for national banks.
B) The Federal Reserve and the state banking authorities jointly have responsibility for state banks that are members of the Federal Reserve System.
C) The Fed has sole regulatory responsibility over bank holding companies.
D) All of the above are true.
E) Only A and B of the above are true.