Which of the Following Is Correct

Multiple Choice

Which of the following is correct?

A) If total utility is increasing, then marginal utility is decreasing.
B) If total utility is decreasing, then marginal utility is increasing.
C) If total utility is increasing, then marginal utility is zero.
D) If total utility is increasing, then marginal utility is greater than zero.
E) If marginal utility is increasing, then marginal utility is less than zero.