The Figure Below Shows Labor Supply and Labor Demand Curves

The figure below shows labor supply and labor demand curves.

-Refer to the figure above.Assume that a shift in consumer preference causes the demand for a certain type of labor to shift downward.Assuming that there is downward wage rigidity,how will the quantity of labor demanded and the quantity of labor supplied change?

A) The quantity of labor demanded will remain the same, and the quantity of labor supplied will decrease.
B) The quantity of labor supplied will remain the same, and the quantity of labor demanded will increase.
C) The quantity of labor demanded will decrease, and the quantity of labor supplied will increase.
D) The quantity of supply demanded will decrease, and the quantity of labor demanded will increase.