Correct Answer:
C. Allama Ibn e Muwaiyya
Caliph Haroon-ur-Rashid’s sons quarreled over putting shoes before Allama Ibn e Muwaiyya. This historical anecdote illustrates the profound respect accorded to scholars during the Abbasid Caliphate. The Caliph's sons reportedly vied for the honor of assisting Allama Ibn e Muwaiyya with his shoes, signifying his esteemed status.