Who of the Following Is LEAST Likely to Experience Illness

Who of the following is LEAST likely to experience illness due to the stress associated with their job?

A) Susie, a single mother of a five-year old boy, who works long hours in a low-paying position.
B) Mary Lou, a married mother of two young children, who works in a low-paying service job 40 hours per week.
C) Sally, a single mother of a five-year old daughter, who is a lawyer with flexible hours.
D) Miranda, a married mother with two young children, who is a lawyer with flexible hours.