The correct option is D All of the above
During the Delhi Sultanate period, some of the evil social practices like Sati, Child marriage and Purdah became prevalent. In Sati, widow burns herself on her husband's pyre or takes her own life in another fashion shortly after her husband's death. No measures were taken by the Sultans for abolishing these practices, it was the Mughal emperor Akbar who came forward to stop these evil practices.