What Is the Difference Between Labor's Marginal Product and Marginal

What is the difference between labor's marginal product and marginal revenue product?

A) The marginal product of labor is the additional labor's contribution to the firm's total output while the marginal revenue product is the additional labor's contribution to the firm's total sales revenue.
B) The marginal product of labor is the increase in output as a result of hiring an additional worker while the marginal revenue product of labor is the increase in profit as a result of hiring an additional worker.
C) The marginal revenue product of labor is the dollar value of hiring an additional worker while the marginal product of labor is the increase in the firm's physical output as a result of hiring an additional worker.
D) Labor's marginal product is a measure of labor's productivity while labor's marginal revenue product is a measure of labor's ability to sell the firm's products.