Answer:
A. Italy has a comparative advantage over the United States in producing wine.
Explanation:
A country has comparative advantage in production if it produces at a lower opportunity cost when compared with other countries. A country should specialise in the production of the good for whuch it has comparative advantage in and import goods for which it doesn't have comparative advantage in its production.
If Italy has comparative advantage in the production of wine and the US doesn't, Italy should produce wine and export to the US. While, US should produce pasta and export to Italy, if has a comparative advantage in the production of pasta.
A country has absolute advantage in the production of a good or service if it produces more quantity of the good when compared with other countries.
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