Although it is usually unclear who starts the gossip, people tend to believe it.

A．they want to learn what they have no time to learn before retirement
B．they retire at an earlier age with more years left to learn
C．they are more wealthy to afford to continue the education
D．they find learning is a good way to fight against the process of aging

A．It can encourage retirees to have wide interests in various areas.
B．It can keep retirees busy all the time by taking different courses.
C．It can challenge retirees to gain high academic achievements.
D．It can help retirees live a meaningful but relaxing life in late years.