In January 2012,Adam Sold His Farm to His Three Sons

In January 2012,Adam sold his farm to his three sons: Bert (age 36) ,Charles (age 33) ,and Darwin (age 31) ,all married.The transfer of estate in fee simple form named them as joint tenants.Bert sold his interest to his younger sister,Eileen (age 27) in June 2012.In August 2012,Charles and Darwin were killed in a car accident.They died instantaneously.The law presumes that the older brother,Charles,died first.Which of the following is false? Read each separately.

A) After the sale of Bert's interest to her,Eileen became a tenant in common in relation to her brothers Charles and Darwin.
B) After the sale of Bert's interest to her,Eileen became a joint tenant in relation to her brothers Charles and Darwin.
C) After the purchase of Bert's interest in the farm,Eileen would be free to bequeath her interest to her heirs in her will.
D) After the accident,Eileen is a co-owner with Darwin's heirs.
E) If Eileen becomes a tenant in common,she cannot identify the portion of the property that will belong to her exclusively.