Which of the Following Is True

Which of the following is true?

A) The present international monetary system can be correctly called a floating (flexible) exchange rate system because market forces are the only factor affecting exchange rates.
B) The fixed exchanged rate system established by the Bretton Woods Accord broke down in the early 1970s and resulted in the establishment of a managed floating exchange rate system.
C) Since the creation of the managed float system, smaller countries no longer fix the value of their currencies to the value of other major currencies.
D) All of the above are true.