Which of the Following Statements Regarding the Use of Deception

Which of the following statements regarding the use of deception in psychological research is false?

A) defenders of deception believe that some research questions can only be studied by using deception
B) critics of deception believe that the conclusions from studies involving deception are not valid
C) critics of deception believe that the deception may result in subjects becoming less trusting of others
D) participants in research involving the use of deception generally report that they enjoyed the experience