A. This is not the best answer. Attitudes are influenced by the periods of adulthood, an organismic perspective.
B. This is the best answer. Physical and psychological changes described in the text are related to the period of terminal drop and show continuous, quantitatively assessed, unidirectional decline.
C. This is not the best answer. Kübler-Ross’s theory is based on an organismic approach.
D. This is not the best answer. Surviving a spouse is influenced by ability to adapt to changes in roles, staying busy, and maintaining social adjustments, a contextual perspective.
E. This not the best answer. The explanation is similar to the one presented for surviving a spouse.