What Did Levinson's Research Conclude About Women in Midlife Transition

What did Levinson's research conclude about women in midlife transition?

A) Women have significantly less distress during this process.
B) Women face the midlife transition earlier and with greater difficulty than do men.
C) Women who have had children have an easier time than those who have not.
D) There are no real significant differences between how men and how women fare in midlife transition.