Which of the Following Is Considered to Be a Strength

Which of the following is considered to be a strength of psychosocial theory?

A) explanations about the mechanisms for resolving crises and moving from one stage to the next have been translated into valid measures
B) the emphasis on ego development and ego processes provides insight into the directions of healthy development throughout life
C) the focus and number of life stages have been shown to be identical across all cultures
D) at each stage, the people who comprise the radius of significant relationships is specified