(Figure: Three Aggregate Demand Curves)

(Figure: Three Aggregate Demand Curves)
Figure: Three Aggregate Demand Curves
Consider the three aggregate demand curves shown in the graph. Movement from Point A to Point D represents:

A) an increase in spending growth from 2% to 3%.
B) an increase in spending growth from 4% to 6%.
C) an increase in real GDP growth, but not spending growth.
D) an increase in inflation, but not spending growth.