Which of the Following Statements Is True Concerning Vitamins

Which of the following statements is true concerning vitamins?

A) Fat-soluble vitamins (A, D, E, K) are stored in the body for future use; therefore, vitamin toxicity is not a concern.
B) The water-soluble vitamins C and B-complex are not stored in the body, thereby eliminating the chance of vitamin toxicity.
C) Vitamins A, C, and E are generating a great deal of interest for their role as antioxidants that neutralize "free radicals," which are believed to increase a person's risk for various cancers.
D) The majority of vitamins are synthesized in the body in adequate amounts, but because they are not stored, daily dietary intake of these substances is necessary.