According to regulations, a Master or person in charge of a MODU is required to submit a report of a loss of life __________.

Correct Answer: Option D — to the nearest Marine Safety or Marine Inspection Office

46 CFR 109.411 requires the Master or person in charge to report any loss of life to the nearest Coast Guard Marine Safety or Marine Inspection Office. This reporting ensures immediate federal oversight and investigation into the circumstances surrounding the fatality on the MODU.