The Joint Commission for Accreditation of Hospital Organizations (JCAHO) specifies that two client identifiers are to be used before administering medication. Which method is best for identifying patients using two patient identifiers?

C Request that a family member identify the client and then ask the client to state his name. D Ask the client to state his full name and then to write his full name. B Compare the medication administration record (MAR) with the client's room number and name on the armband. A Take the medication administration record (MAR) to the room and compare it with the name and medical number recorded on the armband.