What Is One Reason an Increased Demand for Life-Long Learning

What is one reason an increased demand for life-long learning will occur?

A) Nearly all older people like the university environment.
B) As technological and social changes occur in Canadian society, more older people will feel alienated and will go back to classes to readjust.
C) As life expectancy increases, there will be more older people.
D) Younger people today have higher levels of education and people with more education tend to keep taking classes as they age.