According to Your Text, Retirement in the United States Today

According to your text, retirement in the United States today

A) occurs when a person definitively stops working and withdraws from the formal labor market.
B) usually involves some dependence on family, charity, or public welfare.
C) is primarily the result of lack of health to continue working , disability, or becoming unemployed and being unable to find a job.
D) is a person's definitive economic inactivity, with income replaced by pensions, assets, Social Security earnings, and other sources.