On a 100-acre farm, a farmer is able to produce 3,000 bushels of wheat when he hires 2 workers. He is able to produce 4,400 bushels of wheat when he hires 3 workers. Which of the following possibilities is consistent with the property of diminishing marginal product?

A、The farmer is able to produce 5,600 bushels of
wheat when he hires 4 workers.;
B、The farmer is able to produce 5,800 bushels of
wheat when he hires 4 workers.;
C、The farmer is able to produce 6,000 bushels of
wheat when he hires 4 workers.;
D、Any of the above could be correct.