The answer to this question would be D.
The group that was at the top of the caste system were A. Brahmans, who were priests in Ancient India. They were followed by Kshatriyas, <span>who were rulers, administrators and warriors), the </span>Vaishyas<span> (artisans, merchants, tradesmen and farmers), and </span>Shudras<span> (laboring classes)</span>
B or A would be your answer. (If I am incorrect I am sincerely sorry ;-; but both seem to be in the area of Nationalism)