Why have many developing countries failed to benefit from the spread of free trade around the world?

O A. Developed countries have stopped giving large amounts of foreign aid at the same time that trade barriers have come down.

O B. Developing countries don't possess the natural resources needed to fuel industrial production.

O C. Developing countries owe so much debt that their governments aren't able to invest in infrastructure improvement.

O D. Developed countries continue to maintain high tariffs on the agricultural goods that developing countries export in large numbers.​