Which of the Following Answer Choices Is the Best Definition

Which of the following answer choices is the best definition of attitude?

A) Attitudes indicate how one will react to a given event.
B) Attitudes are the yardstick by which one measures one's actions.
C) Attitudes are the emotional part of an evaluation of some person, object or event.
D) Attitudes are evaluative statements of what one believes about something or someone.
E) Attitudes are a measure of how the worth of an object, person or event is evaluated.