Which of the Following Statements Is True

Which of the following statements is true?

A) In an economy, the velocity of money is not constant over time.
B) The price level in an economy is negatively related to the quantity of money in the economy.
C) Control over the money supply implies that the Fed has precise control over real GDP
D) A high velocity of money represents a low level of inflation in an economy.
E) In an economy, the velocity of money is constant over time.