Final answer:
The migrants in São Paulo, Brazil end up living in favelas on the outskirts of the city with no sanitation services.
Step-by-step explanation:
The correct answer is A. Favelas. Favelas are self-constructed slums or squatter settlements that lack basic public services such as sanitation, electricity, and running water. They are located on the outskirts of cities like São Paulo, Brazil. Many migrants end up living in favelas due to the lack of affordable housing and opportunities in the city.