The correct option is A Dharmapala
Vikramshila was founded by the ruler of Pala dynasty, Dharmapala in 8th–9th century CE. Besides Nalanda, it was the most important centres of learning in India. Dharmapal established it in response to a supposed decline in the quality of scholarship at Nalanda. Its remains are located near Antichak in Bhagalpur district of Bihar.