Over the Last Two Centuries of Exchange Rate "Regimes," the History

Over the last two centuries of exchange rate "regimes," the history can be divided into three phases. In chronological order they are the:

A) gold standard, the Bretton Woods standard, and the era of floating exchange rates.
B) Bretton Woods standard, the gold standard, and the era of floating exchange rates.
C) era of floating exchange rates, the gold standard, and the Bretton Woods standard.
D) gold standard, the Bretton Woods standard, and the EMS.
E) silver standard, the Bretton Woods standard, and the era of floating exchange rates.