【单选题】【消耗次数：1】
计算机信息处理中，数据组织的层次由低到高是（）。
①
数据、记录、文档、数据库
②
数据项、记录、文件、数据库
③
数据项、记录、字段、数据库
④
数据、记录、文件、数据库
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