Which Scenario Best Illustrates the Concept of a Night Terror

Which scenario best illustrates the concept of a night terror?

A) Santosh dreams that a serial killer stands over his bed with a machete in his hand;Santosh is certain that he faces imminent death.
B) Gita,who suffers from sleep apnea,dreams that she is sinking to the bottom of a lake and wakes up gasping for air.
C) Suraj demonstrates acute distress even though he is asleep.When his roommate wakes him up,he is confused and does not remember being so upset.
D) Tabu has recurring nightmares in which her brother is trapped in a sinking car;because of this she worries obsessively about her brother's safety.