Which of the Following Is MOST Likely to Adjust Well

Which of the following is MOST likely to adjust well to his/her retirement?

A) Anna, who spent forty years in a structured office environment
B) Bert, a workaholic, who adequately planned for his finances but is having trouble developing a hobby
C) Mamie, who is unmarried but has a wide network of friends, and volunteers at the local hospital
D) Jerrod, who is healthy, has adequate income and is caring for his sick wife