While ______ Can Explain How the Desire to Create a Simplified

While ______ can explain how the desire to create a simplified, meaningful impression of the social context leads to differentiation, ______ can explain the ingroup favouring direction of this differentiation.

A) self-anchoring theory; social identity theory
B) social identity theory; the category differentiation model
C) the category differentiation model; the common ingroup identity model
D) the category differentiation model; social identity theory