Which of the Following Best Illustrates a Public Nuisance

Which of the following best illustrates a public nuisance?

A) Cathy has raised hogs on her farm since 1990. Dale began a subdivision development adjacent to the farm in 1992. The smell from Cathy's farm has severely reduced lot sales in Dale's subdivision.
B) Arnie sells pornographic literature at his "camera shop" downtown across from an elementary school. The city prosecutor filed a criminal complaint to shut down Arnie's operation under a local ordinance.
C) Juan bought a rock pulverizing machine with which he makes homemade cement. Juan works at a night job from 10:00 p.m. to 3:00 a.m. and then runs the machine from 3:00 to 6:00 a.m. before going to bed. The machine can be heard clearly at a distance of five blocks.
D) All of these choices.