When the Nominal Interest Rate Falls, the Opportunity Cost of Holding

When the nominal interest rate falls, the opportunity cost of holding money

A) decreases and the demand for money curve shifts leftward.
B) decreases and there is a movement downward along the demand for money curve.
C) increases and there is a movement upward along the demand for money curve.
D) decreases and the demand for money curve shifts rightward.
E) increases and the demand for money curve shifts rightward.