Robert Wants to Be an Airline Pilot

Robert wants to be an airline pilot. He studies physics and engineering in college; takes flight instruction lessons; and checks into the qualifications for military programs for flight training. All of these efforts illustrate which idea about human development?

A) people are most vulnerable when they reflect on their goals and aspire to an uncertain future
B) people are goal directed and can make choices that guide the direction of their own development
C) change is both qualitative and quantitative
D) responsiveness is shaped and narrowed as a result of repeated experiences