What Would Happen If the Potential Risks of Having Someone

Multiple Choice

What would happen if the potential risks of having someone participate in a study are large,but the benefits to humankind are even greater?

A) The study would get ethics approval because the benefits are so great.
B) The study would have to use animal subjects.
C) The study would have to explain the risks to the participants without using deception.
D) The study would not be allowed to move forward and test participants.