Answer:
D.making a difference to others versus self-absorption.
Step-by-step explanation:
According to Erikson's stages of psychosocial development, humans reach middle adulthood at around 40 years old, and this lasts until 59 years old. During this stage in our life, we are concerned about making our life count. We want to be able to create and produce in a way that allows the next generation of people to flourish. We focus on socially-valued work, and try to contribute to society by guiding future generations. People who do not attempt this and instead are self-absorbed can develop a sense of stagnation, and a feeling of lack of productivity.