Of the Enumeration Below, Which Is Not a Remedy of the Mortgagee

Of the enumeration below, which is not a remedy of the mortgagee in case the mortgagor dies?

A) File a claim against the estate.
B) Abandon the security and file a claim against the estate.
C) Foreclose the mortgage and ask for deficiency in the testate or intestate proceeding.
D) Rely exclusively upon the mortgage and foreclose the same.