According to the Chapter on Risk Communication, Which of the Following

According to the chapter on risk communication, which of the following statements is true?

A) It is often difficulty to translate information based within scientific language to the layperson
B) Perceptual biases when target audience members process information can create problems for health risk campaigns
C) Health campaign directors and researchers are typically in privileged positions and approach campaigns from a top down or paternalistic perspective
D) All of the statements are true