Most sages of the axial age took which of the following views of human nature?
a. it's pre-determined.
b. it's essentially bad.
c. it's essentially good.
d. it's neither good nor bad.

Most sages of the Axial Age took that it's neither good nor bad views of human nature. Axial Age is a term by the German philosopher Karl Jaspers. He said that new ways of thinking appeared in a parallel development without any clear contact between the old world. An example to this is Zarathustra taught a challenging view between good and evil.

The answer is letter D.