Ceteris Paribus,the Law of Diminishing Returns States That Beyond Some

Ceteris paribus,the law of diminishing returns states that beyond some point the:

A) Return on stocks and bonds diminish as more are purchased.
B) Addition to total utility declines as more units are consumed.
C) Marginal physical product of a variable input declines as more of it is used.
D) Output of any good or service increases as more variable input is used.