The Sattriya dance form was introduced in the 15th century AD by the great Vaishnava saint and reformer of Assam, ________.

Correct option is B

The Sattriya dance form was introduced in the 15th century AD by the great Vaishnava saint and reformer of Assam, Mahapurusha Sankaradeva.
Mahapurusha Sankaradeva was a 15th-16th century Assamese saint-scholar, poet, writer, dancer, actor, singer, artist, social-religious reformer, and a significant figure in the cultural and religious history of Assam, India. He is credited with the creation of new genres of music (Borgeet), theatrical performance (Ankia Naat, Bhaona), dance (Sattriya), and literary language (Brajavali).
The Sattriya dance form was introduced by Sankaradeva in the 15th century A.D. as a powerful medium for the propagation of the Vaishnava faith.