The correct answer is: D. AI-Beruni
Al-Beruni was a 10th-century Persian polymath who was born in Khwarazm (now Khiva, Uzbekistan). He was a scholar of many subjects, including astronomy, mathematics, geography, geology, mineralogy, metallurgy, pharmacology, optics, zoology, and linguistics. He is best known for his work on astronomy and mathematics, and for his book Kitab al-Hind (Book of India), which is a detailed account of Indian culture and religion.
Abu Said was a 10th-century Persian poet. He is best known for his collection of poems, the Divan.
Abul Fazl was a 16th-century Indian historian and scholar. He was the chief minister of the Mughal emperor Akbar, and is best known for his book Akbarnama, which is a detailed account of Akbar’s reign.
Firdausi was a 10th-century Persian poet. He is best known for his epic poem Shahnameh, which tells the story of the kings of Persia.