Which of the following rights retained by a donor who gifts property during his or her lifetime will result in the inclusion of such property in the gross estate of the donor-decedent?

I The right to the propertys income for the donors lifetime.

II The right to revoke the transfer in case of financial need.

III The right to a reversionary interest where the probability of reversion is less than 5%.

A. I only

B. I and II only

C. II and III only

D. I, II and III

Provide an explanation. This is estate planning.