Which of the Following Best Explains the Protection from Harm

Multiple Choice

Which of the following best explains the protection from harm aspect of research ethics?

A) Absolutely no harm,neither permanent nor temporary,can come to the participants during the research.
B) As long as the harm is temporary and only lasts for the duration of the research,it is okay.
C) If temporary harm may be caused by the research,the researchers must provide a way to relieve that harm.
D) As long as the participants are informed of the possibility of harm before the research begins,no ethical violations are considered.