41. _____ should develop, implement and maintain a safety mangement system which includes procedures for internal audits and mangement reviews.

存储在计算机外部存储介质上的结构化的数据集合，其英文名称是（)。 A: A.Data Dictionary(简写DD) B: B.DataBase System(简写DBS) C: C.DataBase(简写DB) D: D.DataBase Mangement System(简写DBMS)