1)Suppose the economy experiences a sudden increase in output but a decrease in prices. Then, most likely:

A.the aggregate supply curve has shifted leftward, while aggregate demand has not moved

B.the aggregate demand curve has shifted leftward, while the aggregate supply curve has not moved

C.the aggregate demand curve has shifted rightward, while the aggregate supply curve has not moved

D.the aggregate supply curve has shifted rightward, while the aggregate demand curve has not moved