A monopsony is

a. a market in which only a single firm hires labor.

b. a firm that produces goods without employing labor.

c. a market in which there are many firms attempting to hire labor, but only a few laborers offering their services on the labor market.

d. a market in which laborers are hired by a monopoly.

e. a market in which there are many buyers and sellers of labor, so that no buyer or seller can influence the wage rate.