What Is TRUE About Early Forms of the Social Work

What is TRUE about early forms of the social work profession?

A) Its professionals developed an academic discipline focusing on a "value free science" perspective.
B) It focused on macro-level social phenomena that allowed for collection of observable data.
C) It placed the emphasis on developing a set of skills that were identifiable as "professional" in nature.
D) Its research was based on quantitative methods that placed an emphasis on the value of science.