Correct option is D
The Chinese Buddhist pilgrim, Xuan Zang (also known as Hsuan Tsang or Hiuen Tsang), came to the Indian subcontinent about 1400 years ago.
• He arrived in India in 630 CE during the reign of the great Indian emperor, Harsha Vardhana. Xuan Zang traveled extensively throughout India, visiting many Buddhist pilgrimage sites and studying under several prominent Buddhist masters.