On a Graph That Shows the Derivation of the AD

Multiple Choice

On a graph that shows the derivation of the AD curve,an exogenous change in the price level causes

A) a shift in the AE curve and a movement along the AD curve.
B) a shift in both the AE and AD curves.
C) a movement along the AE curve and a shift in the AD curve.
D) a movement along the AE curve but not along the AD curve.
E) a movement along both the AE and AD curves.