In miranda v. arizona (1966), why did ernesto miranda say his fifth amendment rights had been violated?

a: he had been stopped and searched without a judge issuing a proper warrant.

b: he had been tried for serious crimes without a grand jury issuing an indictment.

c: he had confessed to crimes without being reminded of his right to avoid self-incrimination.

d: he had been jailed without being informed of the charges against him.