Answer:
The correct answer is A. Brazilian tomato producers are worse off.
Step-by-step explanation:
A country has a comparative advantage in producing a good and service if its opportunity cost of producing that good and service is lower than that of its trading partner. So it is better off for a country that has a lower opportunity cost in production a good or service to specialise in that good or service.
Brazil has a comparative advantage in coffee production, meaning, it is better off in specialising in the production of coffee and will be worse off if Brazil specialises in Tomato
Mexico has a comparative advantage is Tomato, meaning, she is better off in specialising in Tomato and worse off if she specialises in Coffee