Final answer:
The question's term "C fever" refers to the symptoms and social implications of having a common viral infection, such as the disappointment of missing social activities and the expectation to rest at home.
Step-by-step explanation:
The term "C fever" is not a universally recognized term and thus does not fit any of the answer choices provided. However, considering the context provided in the question, "C fever" seems to refer to a disruption of health caused by a viral infection characterized by symptoms like fever, sore throat, and cough. This ailment typically leads to concern over missing important tasks such as work or class and brings about a social expectation that the individual will stay home and rest. Moreover, if symptoms persist beyond a certain period, typically 48 hours, it is recommended to see a doctor.
Individuals with such symptoms may also experience disappointment due to missing social activities, like an outing with friends. To prioritize the well-being of themselves and others, it is socially expected that one should not attend class or participate in social gatherings when experiencing symptoms of a contagious illness.