The Brahmin, Kshatriya, and Vaisya varnas were distinct from the Sudra varna in that
a. only the Sudras were allowed to hear or repeat the Vedas.
b. only the Sudras were believed to be of Aryan descent.
c. only the Brahmin, Ksatriya, and Vaisya were believed to be "twice born."
d. all of the above.
Answer: C