The correct option is B Krishna
Chaitanya Mahaprabhu is a Bengal-based saint and spiritual leader of the Bhakti movement who popularized the devotion to Lord Krishna. He popularized Vaishnava Bhakti by preaching the Bhagavad Gita and Bhagavata Purana. As a preacher, he spent a lot of time travelling throughout the country spreading the message of Krishna Bhakti. He is also considered as an important personality responsible for the beginning of the 'Hare Krishna' cult.