Through the Years, the Definition of Occupation Has Undergone Modification

Through the years, the definition of occupation has undergone modification but one definition has endured since the beginning of the profession. Which of the following best reflects that definition?

A) Occupation consists of self-care, leisure, and productivity.
B) Occupation is engagement in everyday life activities.
C) Occupation is achieving pleasure through the use of one's hands and muscles.
D) Occupation is a means and end to restoration of occupational lives.