Option b is the correct answer. A. Lakulisa - 3. Pasupat Lakulisha, in the 2nd century A.D., organized the philosophy of the Pashupata sect, which is recognized as the oldest among the major schools of Shaivism. B. Nagarjuna - 2. Sunyavada Nagarjuna lived around the same time as King Gautmiputra from the Satavahana kingdom. He started the Madhyamika school of Mahayana Buddhism. He also talked about something called Shunyawad or Emptiness. C. Bhadrabahu - 4. Jain Bhadrabahu was an important leader of the Jain community when a big famine happened in Magadha. He went to the south with his followers, while Sthulbahu stayed in Bhagalpur with his followers. Some people who came back from the south believed that being completely naked was really important according to Mahavira's teachings. But the monks in Magadha started wearing white clothes instead. The Svetambaras were those who wore white robes, and the Digambaras were the ones who stayed naked. D. Gosala - 1. Ajivaka Makkhali Gosala believed in something called the Ajivika philosophy. He was the very first student of Vardhaman Mahavira.