By deed, O conveys Blackacre "to A for life, and then to B." Subsequently, B predeceases both O and A. B leaves no will or descendants; but B's parents are still alive at the time of B's death and they are B's heirs under the state's intestacy statute. Who owns what estates after B's death?

A) life estate owned by A, vested remainder subject to open in fee simple absolute owned by B's parents.

B) life estate owned by A, vested remainder in fee simple absolute owned by B's parents.

C) life estate owned by A, reversion in fee simple absolute owned by O.

D) life estate owned by A, contingent remainder in fee simple absolute owned by B's parents.