Which of the Following Is the Best Example of a Person

Which of the following is the best example of a person with a boundaryless career?

A) When Deborah become pregnant with her third child, she decided that working less would be best for her family. She now shares her job with another person who also works part-time.
B) Yusef quit his job of 10 years to open his own business and work from home. He has the freedom of being his own boss and being flexible with his schedule.
C) Bill works in a creative role within an organization with a flat structure. In such an organization there are opportunities to contribute at all levels.
D) Sally has worked for three different organizations in five years. Each time she moves to a new organization, and usually a higher position, she takes with her the skills and abilities she learned in her previous role.