If you change a natural key to two natural keys because the original natural key wasn't truly unique by adding a row, what must you change in your model (multiple answers possible) (OracleSQL)?

A. The surrogate key of the original row

B. The natural key of the original row

C. The surrogate key of any dependant rows in another table

D. The natural key of any dependant rows in another table

E. Nothing, you just insert the new row in the base table