The Major Difference Between the Versions of Social Theory Proposed

The major difference between the versions of social theory proposed by C. Ray Jeffery and Ronald L. Akers is:

A) Jeffery views Sutherland as basically correct and Akers thinks Sutherland was incorrect.
B) Akers thinks that social learning is derived mostly from social factors while Jeffery thinks learning is mostly non-social.
C) Jeffery thinks that reinforcement is more important to learning and Akers thinks punishment is more important.
D) There are no real differences between Akers and Jeffery.