According to levinson, of the many components of the usually only a few, relating to family, close friendships, and occupation, are central.
a) egob) internal working modelc) social clockd) life structure

The correct answer is option (D) Life structure.

Explanation:

At the middle of Levinson's theory is the life structure.

Life structure according to Levinson is the basic pattern of the life an individual at any given point in time.

The life structure of an individual is designed mainly by their physical and social environment, and it which mainly involves family, close friends, occupation and work.

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the answer to the given question above would the one that wiesel is establishing and how is ethos by appeal to his authority in having survived the holocaust. hope this answers your question.

have a great day ahead!