You learn that one of the subjects from your study will be admitted to prison next week. You assert that it is in the best interest of the subject to remain in the study while incarcerated. However, the study was not approved by the IRB in accordance with the requirements for research involving prisoners under Subpart C. What is the best course of action? A. Stop all research activities with the subject immediately.
B. Notify OHRP and request an exception.
C. Withdraw the subject from the study and delete the collected data.
D. Notify the IRB promptly and allow the subject to remain in the study while the IRB makes the determinations required by the regulations.

D. Notify the IRB promptly and allow the subject to remain in the study while the IRB makes the determinations required by the regulations.

Explanation:

IRB stands for Institutional Review Board. It is federal administrative board of the United States government. The IRB's main function is to protect the rights of the human who are used as the research subjects in the research work and work for the welfare of them.

In the context, according to the subpart 3, it requires for the researchers to stop the data collection process who is supposed to be a prisoner. And thus the researcher or the experimenter must inform the Institutional Review Board within five days form the day he knows the information and must get a new approval from the board in accordance with or without prisoner participant.

the answer would be in this answer. someone already asked the question.  

those sounds of the natural world are bioacoustics, and they're more than a false-color spectrogram of data from the musiamunat conservation area.