Which of the Following Describes the Social Psychological Theory of Aging

Which of the following describes the social psychological theory of aging?

A) Adult development is a series of different periods or phases,personality and behavior are shaped by socialization experiences and assigned social roles.
B) Aging is not a disease but instead represents natural losses of function.
C) The factors of gender,ethnicity,socioeconomic status,occupation,and birth cohort color each individual's encounter with old age.
D) None of the above