19.听下面一篇短文,回答第16至20题. 16.What kind of people can become a member of the group? A.People from 12-18.B.All young people.C.People from 12-80. 17.What can the people do? A.Help patients(病人) in hospitals. B.Help children in schools. C.Help people in many ways. 18.Who does Jane look after? A.Children.B.Old people.C.Patients. 19.How old is Jane? A.60 B.62 C.26 20.What will you do if you want to join the group? A.Call them or visit them. B.Call them or visit their website(网址). C.Visit their website or write.