Which one of the following is an indicator that a source may not be accurate?

AThe writing is sub-par or contains errors.

BThe author is using emotionally charged language and inappropriate words or employing a tone that reveals an obvious bias.

CThe author doesn't offer facts, statistics, or specific examples, but uses vague statements and sweeping generalizations.

DYou're unable to find any other source that presents the same exact information or point of view.
(The answer A is incorrect)