The correct option is D All
Basaveshwara was a saint. He preached in three forms: soft advice, harsh criticism, strict warning. He taught that surrendering oneself to Shiva with total devotion was the only path to salvation. He declared that work is worship. He established Anubhava Mantapa in 1162 C.E. He wrote his vachanas in simple Kannada that resembled the spoken language of the common people.