Which Statistic Accurately Represents Why Community Health Centers Are So

Which statistic accurately represents why community health centers are so important in our healthcare system?

A) The number of uninsured clients tripled from 1998.
B) Nearly one half of clients speak a language other than English.
C) CHCs are the only available source of primary healthcare for millions of Americans.
D) Nationally, more than 10 million clients were served by CHCs in 2008.