Greater Scarcity of a Natural Resource Is Indicated

Greater scarcity of a natural resource is indicated

A) by an increase in the price of the resource,whether the price increase is less than or greater than the rate of inflation.
B) only by an increase in the price of the resource that is less than the rate of inflation.
C) only by an increase in the price of the resource that is greater than the rate of inflation.
D) only by an increase in the price of the resource that is caused by a decrease in supply and is greater than the rate of inflation.