The correct option is D All of the above
Namdev was greatly influenced by Islam. He travelled far and wide and engaged in discussions with Sufi saints in Delhi. Ramananda, who was a follower of Ramanuja, was born at Prayag and lived there and at Banaras. He substituted the worship of Rama in place of Vishnu. He enrolled disciples from all castes including the low caste. Thus his disciples included Ravidas, a cobbler; Kabir, a weaver; Sena, a barber; and Sadhana, a butcher. Hence, all the given statements are true. The correct option is D.