Which of the following statements best expresses the right to privacy

Which of the following statements BEST expresses the right to privacy?

A.  the right to privacy is determined entirely by the states on a case-by-case basis

B.  the right to privacy is explicitly granted in the Constitution

C.  the Supreme Court has ruled that the right to privacy is implied in the Bill of Rights

D.  there is no right to privacy, but the government seldom violates individuals' privacy because it is not necessary for it to do so