Answer:
Public attention to the problems with the IRB system was increased because of:-
Option D. Death of Jesse Gelsinger
Explanation:
IRB stands for 'Institutional Review Board' which protects and manages the rights of the people who participate in research studies.
Jesse Gelsinger was the first person who died due to a gene trail in a clinical research study which was being carried out 'University of Pennsylvania'. He was given adinorviral vector but he died after four days.
Jesse had enrolled for a clinical trial which was working to develop cure for infants born with a severe disease. This case caught a huge public attention.