6A-4 Deriving the Demand Curve

6A-4 Deriving the Demand Curve
-Refer to Figure 6-9.In part (i) ,the line joining points A,B,and C is known as ________,which shows how ________.

A) a price-consumption line; consumption changes as relative prices change,with money income constant
B) an income-consumption line; consumption changes as income changes,with relative prices held constant
C) a price-consumption line; consumption changes as money income and relative prices change
D) an income-consumption line; consumption changes with changing relative prices and constant income
E) an indifference map; the value of various combinations of two goods changes