When representing a one$-$to$-$many relationship in a relational database design

$q,$

$$ A$)$ the parent is always on the one side of the "one$-$to$-$many" relationship

$$ B$)$ the child is always on the one side of the "one$-$to$-$many" relationship

$$ C$)$ either parent or child can be on the one side of the "one$-$to$-$many" relationship, and the choice is arbitrary

$$ D$)$ either parent or child can be on the one side of the "one$-$to$-$many" relationship, and special criteria indicate which table should be on the one side.

$$ E$)$ None of the above is correct