Which Statement About Ethical Research in Psychology Is TRUE

Which statement about ethical research in psychology is TRUE?

A) A researcher can use monetary coercion to persuade people who are unwilling to participate in a study.
B) A researcher should obtain informed consent from research participants or their legal guardians.
C) A researcher can use deception in a research study if it cannot be proved.
D) A researcher should manipulate the outcome of the study by omitting results that don't confirm a hypothesis.