The correct options are
A Shankaracharya
B Madhvacharya
D Ramanujacharya
In India's socio-cultural history, the period between the eighth and thirteenth century CE is very important. Shankaracharya, Madhwacharya and Ramanujacharya who lived during this period, founded three Vedantic philosophies in Hinduism, namely - Adwaita, Vishistadwaita and Dwaita.