Read the following text excerpt. Then answer the question that follows. "I hereby declare, on oath, that I absolutely and entirely renounce and abjure all allegiance and fidelity to any foreign prince, potentate, state or sovereignty, of whom or which I have heretofore been a subject or citizen; that I will support and defend the Constitution and laws of the United States of America against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I will bear arms on behalf of the United States when required by the law; that I will perform noncombatant service in the armed forces of the United States when required by the law; that I will perform work of national importance under civilian direction when required by the law; and that I take this obligation freely without any mental reservation or purpose of evasion; so help me God."

Who would speak the text above, and in what situation?

A native U. S. citizen who has been accused of failing in his or her duties
A legal citizen of another country who wishes to return to his or her home country
An immigrant to the United States who has been arrested by the police
A person becoming a naturalized U. S. citizen who is taking the Oath of Allegiance