Which of the Following Articulate(s) Key Assumption(s) of Solution-Focused Brief

Which of the following articulate(s) key assumption(s) of solution-focused brief therapy (if it were to be applied in a school setting) ?

A) Students, teachers, and parents have the resources and strengths to resolve school problems.
B) Significant personal change is required for troubled children to succeed in the schools.
C) A small change in any aspect of the problem situation can initiate a solution.
D) Counseling is preceded by a thorough exploration and identification of the student's problem.
E) Both a and c.