i believe its b. since she is no longer home to watch the baby.
I think the answer is A. Hope this helps
Answer: D : Additional Protections for Children Involved as Subjects in Research
Explanation:
The specific department of Health and Human Services (HHS) regulations that apply to research with children are known as Additional Protections for Children Involved as Subjects in Research. It involves regulations that impose responsibilities depending on the possible risk in the research and the extent of the possible benefit to the subject.