【单选题】If both the nominal interest rate and the expected inflation rate increase, what will happen to the real interest rate?
A.
It will increase because the expected inflation rate has increased
B.
It will increase because the nominal interest rate has increased
C.
It will increase if the expected inflation rate increases by more than the nominal interest rate
D.
It will decrease because the nominal interest rate has increased
E.
It will decrease if the expected inflation rate increases by more than the nominal interest rate