The correct answer is C. field.
A field is a single attribute of an entity. For example, in a database of people, the fields might be name, address, and phone number.
A file is a collection of records. For example, a file of people might contain the records of all the people in a company.
A record is a collection of fields. For example, a record of a person might contain the fields of name, address, and phone number.
A program is a set of instructions that tells a computer what to do.
I hope this helps!