If a Firm Is Hiring a Certain Type of Labor

If a firm is hiring a certain type of labor under purely competitive conditions,

A) its labor demand curve will be perfectly elastic at the market-determined wage rate.
B) the labor supply curve will lie above the marginal labor cost curve.
C) the labor supply and marginal labor (resource) cost curves will coincide and be upsloping.
D) the labor supply and marginal labor (resource) cost curves will coincide and be perfectly elastic.