The Law of Diminishing Marginal Utility

The law of diminishing marginal utility:

A) states that as an individual increases consumption of a given product within a set period of time, the marginal utility gained from consumption eventually becomes negative.
B) contradicts the nonsatiation principle.
C) measures the added satisfaction derived from a oneunit increase in consumption of a particular good or service, holding consumption of other goods and services constant.
D) gives rise to a downward-sloping demand curve for all goods and services.