If after several years with the publishing house that Jessica started at after college, she has been promoted to manager of the fiction team. Jessica is demonstrating: b. Principled level stage of moral development.
What is Principled level ?
Jessica seems to be exhibiting traits of the "Principled level" of moral growth based on the description of her actions. According to Lawrence Kohlberg's phases of moral evolution, the "Principled level" falls into the post-conventional stage.
During this phase, people behave according to their own internal values and principles, even if these values and principles go against accepted social conventions or regulations. Jessica demonstrates a dedication to values that go above and beyond the norm by her openness to new ideas, her willingness to question organizational norms and practices, and her emphasis on fostering a great work environment for writers as well as employees.
Therefore the correct option is b.