Owner has a property in fee simple absolute. He executes a deed to Friend with the words "To Friend for life and then to the heirs of Owner." Under common law principles the conveyance to the heirs is not effective. Thus, the deed would result in a life estate to Friend with a reversion back to Owner. That result is due to what common law doctrine?
(A)The rule in Shelly's case (B)The doctrine of concurrent ownership (C)The doctrine of worthier title (D)The rule against perpetuities
C