When the Value of a Currency Is Determined ________, the Exchange

When the value of a currency is determined ________, the exchange rate system is defined as a managed float.

A) only by supply and demand
B) by its issuing government
C) mostly by supply and demand but with occasional government intervention
D) by its issuing government with occasional readjustments in value
E) by supply and demand only within a narrow range determined by the currency's issuing government