The correct answers are C) Minors require special legal protections and D) He was in custody because he concluded that he was under arrest.
According to Justice Kennedy, the Court of Appeals overturned Alvarado's conviction because "Minors require special legal protections and he was in custody because he concluded that he was under arrest."
We are talking about the Supreme Court Case Yarborough v. Alvarado, decided on June 1, 2004. The court did not accept to overturn the conclusion of the state court that the minor was not "in custody for Miranda purposes," when Police were doing the interview. Justice Anthony Kennedy read the court's decision.