The Buddhist monk who spread Buddhism in Tibet was

[ A ]    Nagarjuna
[ B ]    Padmasambhava right
[ C ]    Asanga
[ D ]    Ananda
Answer : Option B
Explanation :
The most important event in the history of Tibetan Buddhism was the arrival of sage Padmasambhava in the 8th century. Padmasambhava translated numerous Buddhist texts into Tibetan language and combined tantric Buddhism with the local Bon religion to create what is today widely known as the Tibetan Buddhism.