Which of the Following Examples Shows Feedback Obtained Directly from the Job

Which of the following examples shows feedback obtained directly from the job?

A) As a scientist, Zoran receives monthly feedback from his manager about his research.
B) As a business executive, Ignas receives feedback from his supervisor twice a year.
C) As a politician, Gabila constantly receives feedback from her constituents through email and phone calls.
D) As a factory worker, Robert receives feedback from the factory owner via his floor boss at regular intervals.
E) As a teacher, Lucinda receives feedback from the principal after each semester.