In an External Search for Information in a Purchasing Decision

In an external search for information in a purchasing decision, involvement 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) a simulation of the knowledge structure embedded in an individual's brain.