Suppose that in Slovakia, one unit of labor can produce either 16 tons of wheat or 32 tons of soy while in Poland, one unit of labor can produce either 4 tons of wheat or 2 tons of soy. Given this information, which of the following statements is true?
A. Slovakia has a comparative advantage in producing neither wheat nor soy.
B. Slovakia has a comparative advantage in producing both wheat and soy.
C. Poland has a comparative advantage in producing soy but not wheat.
D. Poland has a comparative advantage in producing wheat but not soy.