Defining Death as Nonfunction of the Higher Cortex Implies That

Defining death as nonfunction of the higher cortex implies that:

A) human life is not dependent on the ability to breathe and pump blood.
B) human life depends on characteristics such as intelligence and personality which are controlled in that brain area.
C) human life depends on electrical activity in the lower portions of the brain.
D) if one is on a life-support system and breathing,death has not occurred.