Under a "Crawling Peg" System, a Country's Exchange Rate

Multiple Choice

Under a "crawling peg" system, a country's exchange rate:

A) changes at a predetermined rate against the dollar or some other major currency.
B) is fixed except for small, surprise changes.
C) is determined by the central bank of another country.
D) can change, but the changes are kept secret from the public.
E) can fluctuate within a narrow band.