The correct answer is C. Al-Razi
Step-by-step explanation:
Muhammad ibn Zakariya Al-Razi most commonly known as Al-Razi was an important figure in Muslim history that lived during the Islamic Golden Age and was recognized due to his works, ideas and proposals in relation to multiple areas, especially to medicine, mathematics and alchemy. As a physician, Al-Razi was able to create different works related to diseases such as smallpox and chickenpox and developed important advances in ophthalmology and pediatrics that made him the greatest physician in the Muslim world due to the number of works related to medicine he wrote and these did not compare to the ones of other physicians. Thus, the one that was considered as the greatest physician in the Muslim world was Al-Razi.