It was my sister _____ first had the idea to cycle along the entire Mekong River from _____ it began to where

it ends. [ ]

A. who; which

B. who; where

C. that; which

D. that; what

全科医生按年龄、性别为患者而设计的预防医学记录，可以（）。

A.体现了预防服务的重要措施

B.提示全科医生其社区人群中，具有某种危险因素的亚群

C.尝试设置适合于社区居民需求的预防医学服务项目

D.提示每个需要随访的患者，按时进行随访

E.判定群体预防保健规划性计划