A. This is not the best answer. From a contextual perspective, young adults demonstrate increased maturity, but continue to depend on parents, thus demonstrating shifting goals and contexts.
B. This is not the best answer. As with the previous explanation, middle-aged children vacillate between requiring assistance from and providing support to their older adult parents, a contextual perspective.
C. This is not the best answer. From an organismic perspective, siblings usually demonstrate stages or patterns of interaction during their development that are both adversarial and supportive.
D. This is not the best answer. Grandparents’ roles are identified as a stage for integrity by Erikson (organismic) or as multidirectional and based on context (contextual).
E. This is the best answer. As with the above explanations, raising grandchildren is not a normal stage process, but one based on shifting goals and contexts.