They can do charity work for a certain group or organization
The subject it gave, because that is the action that is being taken.
Answer:
the correct option would be A.
Explanation:
Since when the inhabitant is afraid of mortgaging himself with a loan or getting into debt it is because the currency of his country is generally devalued, black work is the one that predominates, or enjoys a salary that does not coincide with the satisfaction of the basic needs.