The correct answer is B. Record.
A record is a set of data that describes a single entity in a database. It is a collection of fields that are related to each other. For example, a record in a customer database might contain the customer’s name, address, phone number, and email address.
A file is a collection of records. It is a logical unit of storage that can be accessed by a program. For example, a file in a customer database might contain all of the records for a particular customer.
A field is a single piece of data in a record. It is a column in a table. For example, a field in a customer database might be the customer’s name.
A query is a request for data from a database. It is a statement that specifies the data that you want to retrieve. For example, a query in a customer database might be a request for all of the customers who live in California.