The Aggregate Demand Curve Reflects

The aggregate demand curve reflects:

A) the total amount of real goods and services that an individual wants to purchase in a given period.
B) the total amount of real goods and services that an individual will purchase in his or her lifetime.
C) the inverse relationship between the price level and nominal GDP demand in an economy.
D) the total amount of real goods and services that a firm wants to purchase in a given period.
E) the total amount of real goods and services that all the groups in an economy want to purchase in a given period.