According to the Interest Parity Condition, in a Freely-Floating Foreign

According to the interest parity condition, in a freely-floating foreign exchange market a country's spot exchange rate may remain constant throughout time if:

A) economic growth is the same as in other countries.
B) expectations about future exchange rates are constant.
C) policy makers immediately adjust domestic policies when expectations change.
D) All of the above.
E) None of the above.