Answer:
D is the correct option.
Explanation:
As per the US government definition, Entitlement is a Federal program requiring payment to the person who meets the eligibility criteria established by law. There are Medicaid, Medicare, and Social Security programs. They are rights granted to citizens and non citizens. There are contributory and noncontributory programs.
Non contributory programs are the ones in which there is no requirement for contribution by the individual to get the benefits. While to get the benefits of the contributory programs one needs to pay for getting the benefits.