Which of the following would best contradict the argument that the caste system imposed rigid economic and social roles on Indian society in the period 600 BCE to 600 CE?

(A) For there is nothing better for a Kshatriya than a righteous battle. (B) The four divisions of human society are created by me [Krishna]. (C) The person traditionally credited with composing the Mahabarata was born to a fisherwoman. (D) The Hindu God Shiva is considered to be simultaneously the creator, the preserver, and the destroyer.Explanation: That a lowborn person could compose a sacred text implies social mobility. Choice (A) supports the argument, since it encourages Kshatriyas to follow their rightful role. Choices (B) and (D) do not address the argument.