Which of the Following Is NOT True Regarding Keys

Multiple Choice

Which of the following is NOT true regarding keys?

A) Each table should have a primary key to uniquely identify each of the records in the table.
B) A foreign key is a value in a table that is the primary key of another table.
C) The primary and foreign keys form the common field between tables that allow you to form a relationship between the two tables.
D) To define a foreign key,select the foreign key field and then click the Key button on the Ribbon.