Dyan Executes Her Will to Give "To My Nephew Esau

Multiple Choice

Dyan executes her will to give "to my nephew Esau my stock in Fargo,Inc." Later,Dyan writes separately,with the same formalities required for a will,to leave the stock to her niece Ginny and cash to Esau.This writing

A) does not affect the will's gift of the stock to Esau.
B) requires a gift of the stock in equal shares to Esau and Ginny.
C) revokes the whole will,which must be redrafted.
D) revokes the will's gift of the stock to Esau.