The Comparative Advantage Theory Is Considered to Have Ignored Which

Multiple Choice

The comparative advantage theory is considered to have ignored which of the following statements?

A) Constant returns to specialization implies a concave Production Possibility Frontier.
B) Constant returns to specialization suggests that the gains from specialization are likely to be exhausted before specialization is complete.
C) It is feasible for a country to specialize to a point where the resulting gains from trade are outweighed by diminishing returns.
D) Different goods use different resources in different proportions.