The Demand for Computers Increases. as a Result

The demand for computers increases. As a result

A) the quantity demanded of workers increases, the wage rate rises, and the supply of labor increases.
B) the demand for workers increases, hiring increases, but wages stay the same since each firm faces a horizontal supply curve of labor.
C) the wage rate increases in the industry and the quantity demanded of workers falls.
D) the wage rate increases in the industry and the quantity supplied of workers increases.