What Is One Reason Why the Issue of Scope of Practice

What is one reason why the issue of scope of practice in social work is problematic?

A) Registrars of regulatory bodies in Canada have agreed no national consensus on a definition of scope of practice is required.
B) There is no national consensus for an agreed upon definition of scope of practice.
C) Defining scope of practice is straightforward and basic but a few see it as complex
D) Social work interventions are limited thus there is little interest in it as an issue.