Let R_US Be the Annual Risk-Free Rate in the United

Multiple Choice

Let R_US be the annual risk-free rate in the United States, R_UK be the risk-free rate in the United Kingdom, F be the futures price of $/BP for a 1-year contract, and E the spot exchange rate of $/BP. Which one of the following is true?

A) If R_US > R_UK, then E > F.
B) If R_US < R_UK, then E < F.
C) If R_US > R_UK, then E < F.
D) If R_US < R_UK, then F = E.
E) There is no consistent relationship that can be predicted.