What Is the Most Efficient and Most Accurate Method of Helping

What is the most efficient and most accurate method of helping older patients keep a record of their medications?

A) Rely on patients to bring in all their medications with them at each visit.
B) Rely on the patient's memory of their medication history.
C) Print a list of all medications the patient is on for them to take with them home and to each health-care provider they see.
D) Rely on caregiver memory of which medications the patient is currently taking.