Answer: Forensic entomologists are the people which in solving the forensic investigations or cases in which they tend to study the life cycle of the insect which is found on the body of the dead person.
Step-by-step explanation:
There are various stages of decay of body and different life cycle of insects or insects are found at different stages of decay of the dead body.
Out of those, cheese skippers or Piophilidae are found on the stage when there is protein fermentation in the body.
This is advanced stage or we can say later stage as these insects are not interested in the body when it is fresh, it usually appears during the time of protein fermentation.(option A)