【单选题】The agreements tha: were reached at the Bretton Woods conference in 1944 established a system
A.
in which the values of currencies were fixed in terms of a specific number of ounces of gold, which in turn determined their values in international trading
B.
of floating exchange rates determined by the supply and demand of one nation's currency relative to the currency of other nations
C.
that prohibited governments from intervening in the foreign exchange markets
D.
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