Answer:
D. disengagement
Step-by-step explanation:
Disengagement: The term disengagement is referred to as the tendency of an individual to detach his or her sense of self-worth of what the person receives in a specific domain.
An individual experiencing disengagement tends to keep oneself alone over time and situation and often devalue social relationships. A person generally experience disengagement in old age, and is phrased as 'aging is an inevitable' that cause withdrawal from social relationships.
In the question above, the statement signifies the term "disengagement".