Which Statement Best Describes Confidentiality in Scientific Research

Which statement best describes confidentiality in scientific research?

A) Subjects must be told the true purpose of the study and the reason for any deception that may have been part of the study.
B) Personal information will not be shared with anyone outside the immediate research group and any results from the research will not identify any of the participants by name.
C) Subjects are protected from physical and psychological harm.
D) Subjects are told what the purposes of the study are, what participation in the study involves, what risks (if any) are involved in participating, and what the person can expect to receive in return for participation.