Manuel Noriega Was Never Elected President of Panama, but He

Manuel Noriega was never elected president of Panama, but he became its de facto ruler when he became head of the army. In doing so, he became powerful enough to demand the resignation of the elected president. What was Noriega's government if this is the only information on which to base your answer?

A) totalitarian
B) authoritarian
C) democratic
D) a monarchy