Which of the following statements illustrates a characteristic of a person's attitudes? They'll be open and obvious, not hidden. They're unaffected by a person's beliefs. They rarely influence a person's understanding. They act like a filter for information a person receives.

They will be open and not hidden is part of the characteristics for an attitude because it shows how the person acts.

D is the correct answer. A does not make sense because many people keep their attitudes hidden. B doesn't make sense because the main factor that influences them is a person's belief system. C does not make sense because they influence a person's view of the world on a regular basis.