What Relationship Is Illustrated by the Aggregate Supply Curve

What relationship is illustrated by the aggregate supply curve?  

A)  the price of a particular good, and the quantity of that good supplied by all firms producing that good 
B)  the price of a particular good, and the quantity of that good supplied by the aggregate economy 
C)  the price level, and the quantity of all goods supplied in the economy 
D)  the price level, and the quantity purchased of all goods in the economy