Which Best Describes Achievement Motivation During Adulthood

Which best describes achievement motivation during adulthood?

A) Achievement motivation is steady from middle to old age for both females and males.
B) The loss of motivation is an inevitable part of the aging process (especially in those over age 70) .
C) For both females and males,achievement motivation increases steadily from young adulthood to middle age.
D) Achievement motivation is more affected by work and family context than by the process of aging.