What Are the Stages in the Purchase Process

What are the stages in the purchase process?

A) problem recognition,information search,alternative evaluation,purchase decision,post-purchase dissonance
B) problem recognition,information search,alternative evaluation,purchase decision,post-purchase evaluation
C) SWOT analysis,information search,alternative evaluation,purchase decision,post-purchase evaluation
D) problem recognition,information search,purchase decision,post-purchase evaluation
E) problem recognition,criteria definition,information search,alternative evaluation,purchase decision,post-purchase evaluation