Which of These Is NOT a Characteristic of a Public

Which of these is NOT a characteristic of a public good?

A) The consumption of the good does not reduce the utility for others who would consume the good.
B) It is not feasible or practical to exclude potential consumers once the good has been produced.
C) It is a good, like a park pass, that a government entity sells to those who want the good.
D) It is a good, like a river levee, that residents of the area may not want to pay to construct.