Which of the Following Individuals Is Optimizing Her Resources

Which of the following individuals is optimizing her resources?

A) Janet, who wants to pursue a career as a doctor but instead is studying to be a physician's assistant because she is short of funds.
B) Maria, who is trying to decide whether to pursue her dream of becoming an opera singer or go into the family business and sell cars.
C) Shirley, who decided to pursue a career in show business and signed up for voice, acting, and dance lessons.
D) Diane, who is trying to decide whether to pursue a career as a chef or as a beautician.