The correct answer is A. Buddgists taught the virtues of the eightfold path. This eightfold path refers to the following: correct view, correct intention, correct speech, correct action, correct livelihood, correct effort, correct mindfulness, and correct concentration. B is incorrect because he wasn't a fisherman, but rather a monk. C is incorrect because Hindu is the most dominant religion in India. D is incorrect because there is no caste system in Buddhism.