How Do Command-And-Control Policies Differ from Incentive Systems

How do command-and-control policies differ from incentive systems?

A) Command-and-control policies use marketlike strategies,whereas incentive systems do not.
B) Command-and-control policies are typically more efficient than incentive systems.
C) Command-and-control policies are typically more equitable than incentive systems.
D) Command-and-control policies typically focus on punishing those who violate the law,whereas incentive systems often include rewards.