What is the primary difference between Social Security benefits and Supplemental Security Income (SSI) benefits?
A) Social Security benefits are based on an individual's work history and contributions to the Social Security system, while SSI benefits are need-based and provided to individuals with limited income and resources, regardless of their work history.
B) Social Security benefits are provided to all U.S. citizens, while SSI benefits are only available to non-citizens.
C) SSI benefits are automatically adjusted for inflation, while Social Security benefits are not.
D) Social Security benefits are exclusively for individuals with disabilities, while SSI benefits are only for retirees.