​Exhibit 3-11 Demand and Supply Curves

​Exhibit 3-11 Demand and supply curves
-In Exhibit 3-11, in Panel A the movement from A to B describes a (an) :​

A) ​ increase in demand and an increase in the quantity supplied.
B) ​ increase in the quantity demanded and an increase in supply.
C) ​decrease in demand and a decrease in the quantity supplied.
D) ​decrease in the quantity demanded and a decrease in supply.
E) ​decrease in the quantity demanded and an increase in supply.