The agreements that were reached at the Bretton Woods conferences in 1944 established a system ?

A. of essentially fixed exchange rates under which each country agreed to intervene in the foreign exchange market when necessary to maintain the agreed upon value of its currency
B. in which the value of currencies was fixed in terms of a specific number of ounces of gold, which in turn determined their values in international trading
C. of floating exchange rates determined of the supply and demand of one nation’s currency relative to the currency of other nations
D. That prohibited governments from intervening in the foreign exchange markets