By will, O devises Redacre "to A for life, then to the heirs of B." B is alive and has three children at the time of conveyance. What estates are created at the time of the conveyance in a jurisdiction that still follows the Rule in Shelley's Case?

A) life estate in A, vested remainder in B and his heirs in fee simple absolute through operation of the Rule in Shelley's Case.

B) life estate in A, contingent remainder in the heirs of B in fee simple absolute, reversion in O in fee simple absolute.

C) life estate in A, vested remainder subject to open in the heirs of B in fee simple absolute.

D) life estate in A, contingent remainder in the heirs of B in fee simple absolute.