Which of the Following Statements Is False

Multiple Choice

Which of the following statements is false?

A) A consumer possesses a preference map.
B) An indifference curve is a line that shows combinations of goods among which a consumer is indifferent.
C) A consumer has only one indifference curve.
D) The marginal rate of substitution is the rate at which a consumer will give up good y to get an additional unit of good x and remain on the same indifference curve.
E) If the indifference curve is steep,the marginal rate of substitution is high.