Which One of the Following Statements Is True

Multiple Choice

Which one of the following statements is true?

A) Since consumers of a good consume this good until the price equals the value of the last unit, they clearly get no benefit from consuming this good.
B) Consumers choosing between goods X and Y will set MUX = MUY.
C) The value of a good to a consumer is measured by the price.
D) Consumer surplus on a unit of a good will never be zero.
E) If the marginal utility per dollar of good X is less than the marginal utility per dollar of good Y, then the consumer should shift some spending from X to Y.