Using the Indifference Map Below,two Points on a Demand Curve

Multiple Choice

Using the indifference map below,two points on a demand curve for good Y are:

A) (8, $5) and (10, $5) .
B) (3, $10) and (5, $20) .
C) (3, $20) and (8, $5) .
D) (3, $20) and (5, $10) .
E) The answer cannot be determined from the information given.