Answer:
The answer is A.
Step-by-step explanation:
Comparative advantage is when a country produces a good or service at a lower opportunity cost than other country(its trading partner).
A comparative advantage gives a country the ability to sell goods and services at a lower price than its trading partner.
For example, if Country A opportunity cost to produce cloth is 2 while the opportunity cost to produce the same quantity of cloth for Country B is 5. The country A has a comparative advantage over country B in production of cloth