Which of the Following Is Consistent with B

Which of the following is consistent with B.F. Skinner's argument that free will is an illusion?

A) Most of people's behaviour is deliberate and controlled.
B) Recent brain imaging studies have shown that readiness potential and conscious intention to behave co-occur.
C) We select when, where, and how to engage in one behaviour rather than in another.
D) People often lack direct understanding of the causes of their own behaviour.