Karl Can Produce Either 10 Tons of Oranges or 5

Karl can produce either 10 tons of oranges or 5 tons of apples in a year, while Adam can produce either 5 tons of oranges or 10 tons of apples. If there are only two goods in the world-apples and oranges-and the exchange rate between apples and oranges in international markets is 1 ton of apples per 3 tons of oranges, which of the following is likely to be true?

A) Karl and Adam will not trade apples and oranges with one another, since both will specialize in and export oranges to other countries.
B) Karl and Adam will not trade apples and oranges with one another, since both will specialize in and export apples to other countries.
C) Karl has a comparative advantage in oranges and will specialize in only oranges.
D) Adam has a comparative advantage in oranges and will specialize in only oranges.
E) Karl has an absolute advantage in apples and will specialize in only apples.