Final answer:
The correct answer is 'ego integrity stage.' During this stage, individuals reflect on their lives and evaluate whether they have achieved a sense of satisfaction and integrity, or if they feel a sense of failure and despair.
Step-by-step explanation:
The correct answer is d. ego integrity stage. This scenario represents Erikson's eighth and final stage of psychosocial development, known as ego integrity versus despair. During this stage, which occurs during late adulthood, individuals reflect on their lives and evaluate whether they have achieved a sense of satisfaction and integrity, or if they feel a sense of failure and despair.