学校是按照一定社会的需要，有目的、有计划、有组织地对年轻一代进行培养和教育的场所。()

A．Whether the centenarians can live independently in small apartments.

B．Whether it is feasible to establish a village for the "oldest old” people.

C．What percentage of the population are centenarians in the state of Georgia

D．What the real secrets are to becoming an active and healthy 100-year-old