What Is the General Ethical Principle Regarding Deception in Social

What is the general ethical principle regarding deception in social research?

A) Deception can be ethically used if the researcher can guarantee that subjects will never have knowledge that they had been part of a study.
B) Deception can be ethically used only if it is essential to the research, where other methods of data collection would yield tainted unusable data.
C) Deception is completely unacceptable and is considered taboo amongst social scientists.
D) Deception is fully acceptable and is not considered unethical.