The correct option is A Shankaracharya - Ramanuja - Chaitanya
Sankaracharya propounded the Kewal Advaita Vedanta philosophy. He was born in Kaladi, Kerala in 788 A.D. Ramanujacharya was born in Sriperumbudur, Tamil Nadu around 1137 A.D. He founded the Visistadvaita Siddhanta. Chaitanya was believed to be born around 1485 A.D. So the correct chronological order is Sankaracharya - Ramanuja- Chaitanya.