The Data on Real GDP Shows That

The data on Real GDP shows that

A) real GDP rises and falls. It has tended to rise and fall equally and has remained roughly constant over time.
B) real GDP rises and falls. It has tended to rise for longer periods and more quickly than it has fallen and therefore has risen through time.
C) real GDP rises and falls. It has tended to fall for longer periods and more quickly than it has risen and therefore has fallen through time.
D) Real GDP growth is almost exactly constant