Answer:
The correct answer is:
A. The research must pose no more than minimal risk.
Step-by-step explanation:
According to federal regulations this kind of research must have a "minimal risk", that is to say that the research would be carried out with a low probability of discomfort or damage to the participants in the study. The practices during such study must be similar to those when attending to a normal physical or psychological study with the doctor. Besides, it is necessary too, to protect the information related to the study and all the implications that the study may have.