An Economic Expansion Caused by a Shift in Aggregate Demand

Multiple Choice

An economic expansion caused by a shift in aggregate demand causes prices to

A) rise in the short run,and rise even more in the long run.
B) rise in the short run,and fall back to their original level in the long run.
C) fall in the short run,and fall even more in the long run.
D) fall in the short run,and rise back to their original level in the long run.