Which Action by Researchers Using Human Subjects Demonstrates a Commitment

Which action by researchers using human subjects demonstrates a commitment to ethical research practices?

A) Having a neutral third-party review board evaluate the research study, the subjects, and the methodologies of the study.
B) Bypassing regulating agencies to ensure that new medical breakthroughs quickly reach the patients who need them the most.
C) Recruiting subjects from among disadvantaged populations who are most in need of the compensation the study will provide.
D) Emphasizing the potential benefits of the treatment and downplaying potential risks so that subjects will not be hesitant to participate.