Activity Theory Is Based on the Proposition That Older People

Activity theory is based on the proposition that older people

A) decline because of chronic illness therefore they must keep active to stay healthy
B) may face health declines, but they continue to have psychological and social needs as they did in their earlier life
C) must keep active because if they don't they begin to undergo cognitive decline
D) want to be busy, therefore people need to remain active in retirement
E) may face health declines and therefore becoming more active ensures well-being