A movement along an aggregate demand curve corresponds to a change in income in the IS-LM model ______, while a shift in an aggregate demand curve corresponds to a change in income in the IS-LM model ______.
选项：

A:resulting from a change in monetary policy; resulting from a change in fiscal policy
B:resulting from a change in fiscal policy; resulting from a change in monetary policy
C:at a given price level; resulting from a change in the price level
D:resulting from a change in the price level; at a given price level