Answer:
The Correct Option is D: Additional Protections for Children Involved as Subjects in Research
Explanation:
Research that makes use of human subject often result in a difficult situation or problem for investigators. Hence to protect children, it has been stated that when a child is to be a subject for a research, it must comply with the Common Rule at 45 CFR 46, Subpart A as well as compliance with 45 CFR 46, Subpart D, Additional Protections for Children Involved as Subjects in Research.