While in the Dayroom, One of the Patients Becomes Very

While in the dayroom, one of the patients becomes very agitated and begins to threaten to harm the other patients and is directing violence at the other patients and staff.What is the most appropriate nursing implementation?

A) Decrease the stimuli and use restraints if all other measures fail.
B) Offer to call the physician and ask another staff member to call security.
C) Remove harmful objects and try to perform relaxation exercises with the patient.
D) Restrain the patient and do not allow him or her to eat or drink anything by mouth.