During the Admission Interview, the Nurse Asks the Client What

During the admission interview, the nurse asks the client what led to his hospitalization. The client responds, They lied about me. They said I murdered my mother. You're the killers. You all killed my mother. She died before I was born. The best initial response by the nurse would be,

A) I just saw your mother. She's fine.
B) You're having very frightening thoughts.
C) We'll put you in a private room until you're in better control.
D) If your mother died before you were born, you wouldn't be here.