Which of the Following Statements Is True Concerning Dental Caries

Which of the following statements is true concerning dental caries experience among children in the United States at this time?

A) Caries experience is evenly distributed throughout the childhood population.
B) Most tooth decay is experienced by only a few children.
C) There is a normal distribution of caries experience in the United States,with the majority clustered around the mean.
D) There is a bimodal distribution of caries experience in the United States.