Choice "D" is correct. Fields (such as first name, last name) comprise records (such as customer or employee) that are organized into files (such as accounts receivable accounts) that create data bases (such as customer contact listings and accounts receivable subsidiaries).
Choice "b" is incorrect. Databases are the broadest form of data storage while fields are the narrowest. Databases are not organized into fields. Fields are the building blocks of databases.
Choice "a" is incorrect. Records are organized into files. Fields of databases is a distracter.
Choice "c" is incorrect. Databases represent an organization of files that are comprised of records. Fields represent the first and not the last phase of computer storage.