The Term "Hinduism

The term "Hinduism":

A) Was an Indo-European word used to describe Harappan religious rites.
B) Was derived from the Persian word hindu, taken from the Sanskrit word sindhu, or "rivers."
C) Was derived from the term Harappans used to describe the duties of priests.
D) Came into use after the Indo-European invasion to describe the religious practices of the conquered Harappan societies.