At the Dog Park,everyone Is Supposed to Clean Up After

Multiple Choice

At the dog park,everyone is supposed to clean up after their dogs and watch their dogs when in the park.However,Danny neither cleans up after his dog nor stops it from digging holes.He figures that someone else will fix it.This situation is a

A) substantive conflict.
B) procedural conflict.
C) prisoner's dilemma.
D) public goods dilemma.