Long-Run Growth Is A(n)

Long-run growth is a(n) :

A) sustained upward trend in the economy's overall output per person, which generates higher incomes and a higher standard of living for its members.
B) increase in the rate of inflation across time, which reduces real salaries.
C) increase in the overall output of the economy over a three- or four-year period.
D) reduction in the price level over decades.