Under David Ricardo's Theory of Comparative Advantage,to What Does Each

Under David Ricardo's theory of comparative advantage,to what does each country allocate its resources?

A) to education and health care
B) to corporations and the wealthy, so that resources and wealth can trickle down through the rest of the economy
C) to science, technology, and the military
D) to the good that it can produce most efficiently compared to its trading partners
E) to the poor