Which of the Following Statements About Sending a Persuasive Message

Which of the following statements about sending a persuasive message is true?

A) The greater the level of fear in a message,the more effective it will be in changing attitudes.
B) It is best to give only your side of the argument.
C) Fear has not been properly investigated as a factor in attitude change.
D) Too much fear in a message can create too much anxiety in the receiver for the message to have the desired effect.