Considering the Dollar-Euro Market, as a Dollar Will Purchase Fewer

Considering the dollar-euro market, as a dollar will purchase fewer euros, holding other factors constant:

A) This is represented by a downward movement along the supply of dollars curve
B) This would be represented by a leftward shift in the demand for dollars curve
C) This would be represented by a leftward shift of the supply of dollars curve
D) This is represented by a downward movement along the demand for dollars curve