he deemed disposition of all assets that must be declared in the deceased's terminal income tax return, which type of trust would be most appropriate?...

In order to avoid the deemed disposition of all assets that must be declared in the deceased's terminal income tax return, which type of trust would be most appropriate?

a)   Testamentary

b)   Revocable inter vivos

c)    Alter ego

d)   Spousal

I believe its the Revocable inter vivos but im not sure because im hesitating with alter ego also .