Which Statement Made by the Client Indicates the Need for Further

Which statement made by the client indicates the need for further teaching?

A) "Vitamin supplements can be a substitute for a balanced diet."
B) "Too much vitamin A or D is not good for me."
C) "Although the label on a vitamin supplement might indicate that it contains 100% of the RDA for a particular vitamin,the body might only absorb a little of the vitamin."
D) "It is not harmful for most patients to consume two to three times the recommended levels of most vitamins."