Which of the Following Middle-Age Adults Has Successfully Transitioned to Erikson's

Which of the following middle-age adults has successfully transitioned to Erikson's generativity-versus-stagnation stage of development?

A) A 60-year-old woman who retired last year and volunteers at a homeless shelter 2 days a week
B) A 63-year-old man who regrets his career choice and feels he cannot change careers at this late stage of his life.
C) A 45-year-old woman who resents having to care for her aging mother-in-law
D) A 50-year-old man who has not saved for retirement and also spends his discretionary income on solo vacations.