Psychologists Can Use Deception Techniques as Part of a Study

Psychologists can use deception techniques as part of a study only when certain conditions have been met. Which statement is one of these conditions?

A) Studies with nonhuman animals have demonstrated the importance of the research to humans.
B) It is not feasible to use alternatives that do not involve deception.
C) The researchers can use deception when they have ensured the confidentiality of identifiable information about the participants.
D) There are significant factors that would influence the person's willingness to participate in the research.