One Major Difference Between the Aggregate Supply Curve and an Individual

One major difference between the aggregate supply curve and an individual supply curve is:

A) the aggregate supply curve represents production in the economy as a whole rather than just one good or service.
B) the aggregate supply curve represents production in an entire market rather than just one firm.
C) the aggregate supply curve represents goods and services sold rather than the total actually produced by each firm.
D) None of these is true.