We Can Use an Aggregate Expenditure Line to Trace Out

We can use an aggregate expenditure line to trace out a single aggregate demand curve by

A) shifting the 45-degree line
B) letting changes in autonomous spending shift the aggregate expenditure line
C) letting changes in the price level shift the aggregate expenditure line
D) letting changes in the level of income shift the aggregate expenditure line
E) letting changes in real GDP shift the aggregate expenditure line