Concept:This question tests knowledge of famous Islamic scholars and their major literary works.
Explanation:Ihyā' 'Ulūm ad-dīn, meaning "The Revival of the Religious Sciences," is a renowned book in Islamic theology and spirituality.
It was authored by Abū Ḥāmid al-Ghazālī (c. 1056–1111), a prominent Sunni scholar, philosopher, theologian, and mystic.
Ibn Rushd, ar-Rāzī, and ibn Sīna were also great scholars, but none of them wrote this particular book.
Answer:C. al-Ghazālī