单选题:Access数据库的结构层次是(  )

题目内容:
Access数据库的结构层次是(  ) A.数据库管理系统→应用程序→表
B.数据库→数据表→记录→字段
C.数据表→记录→数据项→数据
D.数据表→记录→字段

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