The More Sophisticated Version of the Quantity Theory of Money

The more sophisticated version of the quantity theory of money differs from the crude quantity theory by assuming that

A) the circulation velocity of money is constant.
B) the economy does not always operate at a full-employment level of GDP.
C) fiscal policy is the primary means of stimulating the economy.
D) the money supply has no effect on the price level.
E) controlling inflation is more important than reducing unemployment.