What is the primary difference between Social Security benefits and Supplemental Security Income (SSI) benefits?
A. Social Security benefits are based on a person's work history and earnings, while SSI benefits are based on financial need and are available to individuals with limited income and resources, regardless of work history.
B. Social Security benefits are provided only to retired individuals, whereas SSI benefits are exclusively for children.
C. Social Security benefits are funded by state taxes, while SSI benefits are funded by federal taxes.
D. Social Security benefits require recipients to be employed, whereas SSI benefits are only available to unemployed individuals.