单选题 How should a psychiatric nurse respond when a delusional patient fearfully tells her that people are waiting outside the hospital to kill him?
A．"You don't have to worry because you are safe here. "
B．"You know as well as I do that no one is trying to kill you. "
C．"You should rest now and, when you wake up, I'm certain you'll feel less afraid. "
D．"I understand how frightened you feel but when you are better you will see things in a different way. /