How Was the Age of the American Population Related to the Economy

How was the age of the American population related to the economy in the early part of the twenty- first century?

A) Health care costs rose alarmingly as the American population aged.
B) As the baby boom generation aged, the load on Social Security decreased.
C) As the baby boom generation aged, their children volunteered to pay more taxes to support them.
D) The number of elderly people in America was declining, so age had little effect on the national economy.
E) As the American population aged, they became wealthier, so there was a positive effect on the national economy.