What Is the Difference Between a Change in the Demand

Multiple Choice

What is the difference between a change in the demand and a change in quantity demanded?

A) A change in demand requires a movement along the demand curve, a change in quantity demanded does not.
B) A change in demand shifts the entire curve, a change in quantity demanded means price changed.
C) A change in quantity demanded means consumer preferences have changed.
D) A change in demand creates a new market equilibrium, a change in quantity demanded does not.