【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 afrai
D、"
D、"I understand how frightened you feel but when you are better you will see things in a different way. \