Pluto's Auto Repair Shop has a database which is used to manage its$$ customers, as well as the autos that are serviced. The Auto Table in the database lists all of automobiles that have been serviced by$$ Pluto's, including all relevant data on each auto$($such as$$ make, model,$$ year, etc.$).$ Each auto is uniquely identified in that table by the$$ auto's Vehicle Identification Number$($VIN$).$ In$$ addition, each entry in the Auto Table includes the$$ Driver's Licence Number of the auto owner. The$$ Driver's Licence Number uniquely identifies an entry in the Customer$$ Table, which lists all of$$ Pluto's customers, and their relevant information$($such as$$ name, address, phone$$ number, etc.$).$ In the Auto$$ Table, the$$ Driver's Licence Number is used as$$ a$($n$)\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

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Part $1$

A$.$

internal record

B$.$

attribute

C$.$

foreign key

D$.$

nonlocal key

E$.$

primary key