Final answer:
b)Conflict theory emphasizes human agency by highlighting how individuals and groups use power to effect social change and address inequality.
Step-by-step explanation:
The theoretical perspective that places the greatest emphasis on human agency is b. conflict theory. Unlike functionalism, which focuses on the stability and interdependence of society's institutions, and symbolic interactionism, which examines individual interactions based on shared symbols, conflict theory highlights the power dynamics and social change driven by human agency. It emphasizes how social order is maintained through power and coercion, particularly around the issues of class, gender, and race.