The "Risk Benefit" Approach to Requiring Informed Consent Is That

The "risk benefit" approach to requiring informed consent is that:

A) informed consent must always be followed.
B) informed consent should usually be followed, except when it is possible to ensure confidentiality.
C) questionable practices such as deception can be used if they are essential to the research and will bring no harm to participants.
D) questionable practices such as deception should be used unless the benefits of following informed consent outweigh the disadvantages of doing so.