Final answer:
The program that would be an example of a family intervention at the level of the family is Family therapy.
Step-by-step explanation:
The program that would be an example of a family intervention at the level of the family is Family therapy (option c).
Family therapy is a type of counseling that involves multiple family members and aims to improve communication, solve problems, and strengthen relationships within the family unit.
Unlike after-school tutoring, which focuses on academic support, parent-teacher conferences, which involve communication between parents and teachers, and individual counseling, which is focused on the individual's needs, family therapy specifically targets the dynamics and interactions within the family.