While giving a bath on a shower chair, the patient suddenly gasps and becomes unresponsive. The Personal Care Assistant should: A. call for family assistance and continue with the bath. B. leave the patient and call 911. C. lower the patient to the floor, call for the family to call 911, determine if CPR is needed and initiate it if indicated. D. tell the family to stay with the patient while you call 911 and the supervisor.