thE Author ConCluDEs thE pAssAgE with thE ADviCE thAt______.
A．thE BEnEFit oF DAily multivitAmin intAkE outwEighs thAt oF ExErCisE AnD A BAlAnCED DiEt
B．it's risky to tAkE multivitAmins without knowing thEir spECiFiC FunCtion
C．thE potEntiAl BEnEFit oF multivitAmins CAn nEvEr BE ovErEstimAtED
D．it's rEAsonABlE to tAkE A rAtionAl DosE oF multivitAmins DAily