Use the Following Graph to Answer the Following Questions

Use the following graph to answer the following questions.

-If point B occurs chronologically before point A,then this graph could represent

A) a decrease in aggregate demand with a decrease in long-run and short-run aggregate supply.
B) an increase in aggregate demand with constant long-run and short-run aggregate supply.
C) a decrease in aggregate demand with constant long-run and short-run aggregate supply.
D) constant aggregate demand with a decline in long-run aggregate supply.
E) constant aggregate demand with a decline in short-run aggregate supply.