Biyu Was in a Skiing Accident

Biyu was in a skiing accident. She suffered traumatic head injuries when she came in contact with a tree. Biyu's cerebral cortex no longer registers electrical activity, but her brain stem remains active. Biyu __________.

A) is dead under the definition used in China
B) has experienced the agonal phase of death
C) has entered a persistent vegetative state
D) is dead under the definition used in most industrialized nations