Answer:
E. Coli (Option A)
Explanation:
It's not B. Salmonella is contracted from reptiles, poop, etc. and is unlikely to be found in a regulated restaurant setting.
It's not C. Gastroenteritis isn't really a foodborne illness and has specific, easily identifiable symtoms anyways.
It's not D. Ryan would be dead if he contracted Botulism.
Food and Drug Administration
The first step of drug addiction treatment is to gather patient information.
I'd suppose that the answer is most likely: c. Self-monitoring.
(I really hope this is of some help to you)