Question

understanding the miranda decision
the entire thrust of police interrogation... was to put the defendant in such an emotional state as to impair his capacity for rational judgment... the choice on his part to speak to the police -- was not made knowingly
what does this quotation say about how mirandas confession was made?
miranda incriminated himself without knowing that he could refuse.
miranda was completely aware of his rights when he made his confession.
miranda was unaware of his rights, but his confession could be used.
miranda incriminated himself intentionally and knowingly.

Explanation:

The quote indicates that police interrogation aimed to put Miranda in an emotional state to impair rational judgment, meaning his choice to speak was not made knowingly. So he incriminated himself without knowing he could refuse.

Answer:

Miranda incriminated himself without knowing that he could refuse.