Answer:
C.
Step-by-step explanation:
This is not a diagnosis of a disease. Rather it is a term used to describe a point at which sets of signs(observed by health practitioner), and symptoms (seen by patients) experienced by a subject before the onset of specific signs and symptoms associated with a particular disease diagnosis emerged.
It is mostly used in mental illness for clinical description.
Although Austin may have fever and and sore throat, these are risk factor of many disease, Thus it wrong for him that he is likely to develop influenza, or malaria!! , It is better he takes a medication to clear these symptoms and then observe any manifestation that arise later on.