What Is the Difference Between an "Increase in Demand" and an "Increase

Multiple Choice

What is the difference between an "increase in demand" and an "increase in quantity demanded"?

A) There is no difference between the two terms; they both refer to a shift of the demand curve.
B) An "increase in demand" is represented by a rightward shift of the demand curve while an "increase in quantity demanded" is represented by a movement along a given demand curve.
C) There is no difference between the two terms; they both refer to a movement downward along a given demand curve.
D) An "increase in demand" is represented by a movement along a given demand curve, while an "increase in quantity demanded" is represented by a rightward shift of the demand curve.