Abbot,Costello,Martin and Lewis Purchase a Building Together as Joint Tenants

Abbot,Costello,Martin and Lewis purchase a building together as joint tenants with a right of survivorship.Before Martin dies,he executes a will stating that his share of the property is to be transferred to his friend,Frank.Martin later dies.What happens to his share?

A) Frank inherits Martin's one-fourth interest in the property.
B) The property will be transferred to Martin's estate.
C) Martin's interest will transfer to Abbot,Costello and Lewis.
D) Martin will reserve his interest in the property until all parties to the original deed are deceased.