Which of the following statements is supported by the information in the passage above?

(A) The caste system was a purely social construct that reflected its time period. (B) The caste system was encouraged by regional princes to reinforce social stability. (C) The caste system reinforced Indian identity in the face of Muslim invaders. (D) The caste system was integral to the Hindu religion, transcending historical eras.Explanation: The Rig Veda is a Hindu religious text, and its inclusion of the origins of the caste system make this a feature of their religion. A religious construct is not a social construct (A). This passage does not address social stability (B) or the reaction of Indians to the Muslim presence (C).