Other Things the Same,if a Country Raises Its Saving Rate,when

Multiple Choice

Other things the same,if a country raises its saving rate,when is growth of real GDP per person higher?

A) as the economy moves toward the long run and in the long run.
B) as the economy moves toward the long run,but not in the long run.
C) in the long run,but not as the economy moves toward the long run.
D) neither as the economy moves toward the long run,nor in the long run.