What Distinguishes a Means-Tested Program from a Social Insurance Program

What distinguishes a means-tested program from a social insurance program?

A) A means-tested program extends benefits based on age categories,while a social insurance program provides benefits based on immediate need.
B) A means-tested program only extends benefits to the elderly,while a social insurance program extends benefits to everybody.-Consider This: Means-tested program like food stamps provide benefits to those with specific needs,while social security or entitlement programs like Social Security provide benefits to qualified individuals regardless of needs.
C) A social insurance program extends benefits only to the working poor,while a means-tested program extends benefits to everyone,regardless of social class.
D) A social insurance program provides benefits to those who have paid into the program,while a means-tested program provides benefits based on demonstrated need.