How was Zoroastrianism different from religions that came before it? A. It encouraged good behavior.
B. It included all people, regardless of their backgrounds.
C. It talked about an afterlife.
D. It was polytheistic.

D.

Explanation:

The prophet Zoroaster himself, though traditionally dated to the 6th century BCE, is thought by many modern historians to have been a reformer of the polytheistic Iranian religion who lived in the 10th century BCE. Zoroastrianism as a religion was not firmly established until several centuries later.

not really sure i needed the points. sorry