The Board of Governors of the Federal Reserve

The Board of Governors of the Federal Reserve:
(i) guides the operations of the Federal Reserve.
(ii) ensures that interest rate ceilings are maintained.
(iii) ensures that monetary policy follows the guidelines from Congress.
(iv) oversees all the Federal Reserve district banks.

A) (iv) only
B) (i) and (iv)
C) (i) , (ii) , and (iv)
D) (i) , (ii) , (iii) , and (iv)