Which of the Following Is Not a Feature of the Current

Multiple Choice

Which of the following is not a feature of the current exchange rate system?

A) Some developing countries attempt to keep their currencies' exchange rates fixed against the US dollar or other major currencies.
B) Developed countries rely on the gold standard to fix their currencies' exchange rates.
C) Most Western European countries have adopted a single currency: the euro.
D) Australia allows the dollar to float against other major currencies, only intervening occasionally.