单项选择题
A．which B．examinees C．students D．who
A．It is a children’s hospital. B．It has strict rules about visiting hours. C．The nurses and doctors there don’t work hard. D．A lot of patients come to this hospital every day
A．They have captured all the condors. B．Birds raised in captivity are attracted to humans. C．Hunters want to shoot them. D．There is not enough food for condors.