In Terms of External Search for Information in a Purchase

In terms of external search for information in a purchase decision,need for cognition is:

A) the extent to which a stimulus or task is relevant to a consumer's existing needs, wants, or values
B) a personality characteristic an individual displays when he or she engages in and enjoys mental activities
C) the mental position a person takes on a topic, person, or event that influences the holder's feelings, perceptions, learning processes, and subsequent behaviors
D) simulations of the knowledge structure embedded in an individual's brain