Which One of the Following Assumptions Is the Basis for the Acceptance

Which one of the following assumptions is the basis for the acceptance theory of authority?

A) Naturally forming social groups can become contributors to an organization.
B) The individual worker is the source of control, motivation, and productivity in an organization.
C) People have free will and choose to comply with orders they are given.
D) People benefit and are productive when they participate in decisions about their work.