Which of the Following Describes Confidentiality

Which of the following describes confidentiality?

A) the assurance that messages and information are available only to those who are authorized to view them
B) policies and procedures that address the ethical use of computers and Internet usage in the business environment
C) the right to be left alone when you want to be, to have control over your own personal possessions, and not to be observed without your consent
D) the principles and standards that guide our behavior toward other people