Which of the choices on the following list of expenses and losses are allowed as a deduction against the gross estate of a decedent?

I. Funeral and burial expenses of the decedent, including tombstone, monument, and burial lot costs.

II. Debts that the decedent owes at the time of death.

III. Full amount of any unpaid mortgages or other indebtedness secured by the decedent’s property if such property is included at its full undiminished value in the decedent’s gross estate.

IV. Uncompensated losses from fires, storms, shipwrecks, theft, or other casualties. Only uncompensated losses are allowed as a deduction.

A. I, II, III, IV.

B. II, III.

C. II, IV.

D. I, III.