An Adult Says, "I Take Vitamins B and E to Prevent

An adult says, "I take vitamins B and E to prevent Alzheimer disease (AD) , but these vitamins are so expensive." What is the nurse's most informative response?

A) "Yes, these vitamins are very expensive, but it is money well spent to prevent AD."
B) "There is conflicting research evidence about effectiveness of these vitamins for prevention of AD."
C) "Most researchers now believe that preventing anemia is more important than taking vitamins to prevent AD."
D) "Aspirin is much cheaper.You should take it instead if you want to prevent AD."