Which nursing action would best promote the psychiatric stabilization of a patient who is both ...

Which nursing action would best promote the psychiatric stabilization of a patient who is both confused and agitated when found wandering barefoot in freezing weather?
 
  a. Place the patient on frequent observation to assess both overall status and potential for harm.
  b. Anticipate the inclusion of medication therapy in the patient's therapeutic plan of care.
  c. Interview the patient to obtain information regarding the identification of family and/or caregiver.
  d. Notify social services that the patient will be in need of both physical and social support resources.