the answer is: d. it can include a person s thoughts.
Behaviors refers to a set of actions that displayed by a person under a certain circumstances. The way people behave and think could be different with one another. This difference could be caused by things like maintaining self image, restraining a certain desire, committing to a certain goal, etc. Because of this, a thought cannot be considered as characteristic of a behavior.
Should be A. Hope this helps!
