Which of the Following Is True of Standards of Confidentiality

Which of the following is true of standards of confidentiality and scope of practice?

A) Former clients might inadvertently share information that betrays the confidence of other group members.
B) Few ethical codes in the helping professions include standards related to the scope of practice for which the individual helper is trained and qualified.
C) Staff members in substance abuse treatment programs are never asked to carry out group leadership without specialized training.
D) The American Counseling Association's Code of Ethics (2016) is unclear if the parameters of confidentiality need to be explained to the group.