When Macroeconomists Say That the Velocity of Circulation Was Equal

When macroeconomists say that the velocity of circulation was equal to 4 in 2008, what they mean is that

A) on average, each dollar of money in the economy purchased four dollars of goods and services in GDP in 2008.
B) real output of goods and services in GDP rose by four dollars for each additional dollar of money consumers saved.
C) consumers held four dollars in wealth for each dollar they spent in 2008.
D) for each additional dollar of money injected into the economy, the price level rose 4 percent in 2008.