Correct option is B
(A) True - Marginal Utility indeed represents the change in total utility from consuming an additional unit of a good.
(C) True - Marginal Utility becomes zero when Total Utility is at its maximum and remains constant, reflecting the saturation point in consumption.
(E) True - Indifference curves typically slope downwards from left to right, indicating that to maintain the same level of utility, a decrease in one good must be offset by an increase in another.