The correct answer is: C. Fa-Hien, Huin-Tsang, and I-Tsing
Fa-Hien (337-420) was a Chinese Buddhist monk who traveled to India in search of sacred texts and relics. He is considered one of the most important figures in the transmission of Buddhism to China.
Huin-Tsang (602-664) was another Chinese Buddhist monk who traveled to India in search of sacred texts and relics. He is best known for his translation of the Buddhist scriptures into Chinese.
I-Tsing (635-713) was a Chinese Buddhist monk who traveled to India in search of sacred texts and relics. He is best known for his travelogue, which provides a detailed account of his journey to India and his experiences there.
Meghasthanise is not a historical figure.