Which of the Following Statements Is Correct

Multiple Choice

Which of the following statements is correct?

A) The "law" of diminishing marginal utility implies that demand curves slope upward and to the right.
B) If the price of a good falls, the utility-maximizing consumer will assure that marginal utility rises.
C) If the price of a good falls, the consumer will purchase more of the good in order to maximize total utility.
D) MU and demand have different underlying consumer behavior assumptions.