When a nation has a comparative advantage in some product this means that:

A.The terms of trade with other nations that make the product are based on which nation will win a tradewar

B.It can produce that product at a lower domestic opportunity cost than can a potential trading partner

C.If there are similar costs of production for making a product in different nations, the one with the largest domestic market will be most efficient

D.It can compare the cost of producing a product and make a deal using money as a medium of exchange