Which of the Following Is a True Statement

Which of the following is a true statement?

A) A serial gift strategy utilizes intervivos gifts to multiple donees over multiple years to maximize the annual exclusion.
B) A serial gift strategy works well even if the gifts don't qualify as present interests.
C) A bypass trust avoids all estate taxes on the estate of the first spouse to die.
D) The income tax savings from holding appreciated property until death is always outweighed by the additional estate tax imposed on the property.
E) None of these is true.