The Nation of Pineland Forbids International Trade

The nation of Pineland forbids international trade.In Pineland,you can buy 1 pound of fish for 2 pounds of pineapples.In other countries,you can buy 1 pound of fish for 1.5 pounds of pineapples.These facts indicate that

A) Pineland has a comparative advantage, relative to other countries, in producing fish.
B) other countries have a comparative advantage, relative to Pineland, in producing pineapples.
C) the price of pineapples in Pineland exceeds the world price of pineapples.
D) if Pineland were to allow trade, it would import fish.