If a Nation Has a Comparative Disadvantage in the Production

Multiple Choice

If a nation has a comparative disadvantage in the production of some commodity,

A) ​it can gain from international trade in that commodity only if it has an absolute advantage in that commodity.
B) ​it can still gain from international trade in that commodity, by getting it at a lower opportunity cost than if they produced it domestically.
C) ​it cannot gain from international trade in the commodity.
D) ​it cannot gain from international trade unless it has an absolute advantage in every other commodity.