Answer:
d. Prisoners
Explanation:
The Health and Human Services department of the United States is the first federal agency to make regulations regarding human research protection. It meets regulatory as well as institutional requirements.
According to the HHS regulations, 45 CFR part 46, includes four subparts --
Subpart A -- is know as the Common Rule or the Federal Policy.
Subpart B -- provides protection for pregnant women, neonates and fetuses.
Subpart C -- provides additional protection for the vulnerable prisoners.
Subpart D -- provides protection for the children.
Hence the correct option is (d).
