The Nurse Is Asked by a Patient in the Clinic

The nurse is asked by a patient in the clinic if she should purchase an expensive brand-name multivitamin because the cheaper vitamin is not as good.Which would be the nurse's response to this patient?

A) "Expensive is always better with any product you buy."
B) "All vitamins are the same over the counter."
C) "Costs and manufacturers' claims don't mean proven effectiveness."
D) "The cost is determined by the color and the amount of pills in the container."