Which Statement Best Captures the View of the Textbook with Respect

Which statement best captures the view of the textbook with respect to Maslow's theory of motivation?

A) Although the theory is a positive one, its strict hierarchy may break down in some circumstances.
B) The theory is not useful in helping people to understand different aspects of their motivational experiences.
C) Maslow's theory presents a view of human nature that is too downbeat and pessimistic.
D) The only aspect of the theory that has been supported is the idea of a strict hierarchy of needs.