The correct option is A He believed in Vedic religion.
Basaveshwara was a social reformer who was a strong opponent of caste system. He threw away the ‘Sacred thread’ after his thread ceremony, and went to Kudalasangama. He took linga deekshe from a Shaiva Guru and started practising meditation. He and his disciples rejected the numerous rituals deeply rooted in the Vedic religion. They advocated Veerashaiva philosophy which was based on simple human values.