Answer:
C. A social clock
Step-by-step explanation:
Social clock
This originated with Bernice Neugarten. The social clock seeks to explore the timetable determined by a culture or social structure on specific times a person is expected to have achieved certain things in life like graduation, marriage, children and so on. It suggests that there are appropriate times for when a person is supposed to achieve or do something. Manuel feels alot of anxiety about the situation of going to college at 52 because he had hoped and according to social clock is expected to have graduated from college around age 22. Social clock follows a given culture idea or norms that governs the ages at which an individual is supposed to achieve some particular life events.