For the Join command, which of these statements is true?

A$.$

You can use the numeric field as a key field in a primary or secondary table without having to harmonize the lengths of the key fields.

B$.$

You cannot Join on numeric fields but you can select them in the primary fields section.

C$.$

You can Join on numeric fields but you must first harmonize the lengths of the key fields.

D$.$

You can Join on numeric fields only if they are computed fields.

E$.$

You can only Join on numeric fields in a many$-$to$-$many join.

F$.$

None of the above