Which of the Following Statements Is False

Multiple Choice

Which of the following statements is false?

A) If marginal utility is diminishing, then total utility is increasing but at a decreasing rate.
B) If marginal utility is diminishing, then total utility is concave.
C) If marginal utility is negative, then total utility is downward-sloping.
D) If marginal utility is decreasing, then total utility is decreasing.