Since 1900,real GDP Per Capita in Canada Has ________ in the Short

Since 1900,real GDP per capita in Canada has ________ in the short run and has ________ in the long run.

A) fluctuated; displayed a strong upward trend
B) remained fairly stagnant; grown considerably
C) decreased more often than it has increased; increased more often than it has decreased
D) grown at a stable and consistent rate; wildly fluctuated