When Other Inputs Are Held Fixed,the Output Market Monopolist's Demand

When other inputs are held fixed,the output market monopolist's demand curve for an input:

A) is parallel to the marginal value product curve for that input.
B) is obtained by multiplying the marginal product of that input by marginal revenue.
C) is the same as the demand curve for an input by a competitive firm.
D) equals the marginal value product curve for that input.