Correct option is A
Gaudavaho was composed by Vakpati-raja (Prakrit: "Bappai-rāa"), a court poet of king Yashovarman. He wrote in the first half of the 8th century. He states that he was known as Kavi-raja (Prakrit: "Kairāa", "king of poets"), an epithet possibly awarded to him by his patron Yashovarman.