Which Mamluk sultan commissioned the madrasa-mausoleum complex on Cairo's Muizz Street, famed for its soaring stone dome with an exterior carved chevron pattern?

• A Sultan Barquq
• B Sultan Hasan
• C Sultan Qalawun ✓
• D Sultan al-Ghuri

The Sultan Qalawun complex (1284–1285), comprising a hospital (maristan), madrasa, and mausoleum, is a masterpiece of Mamluk architecture noted for its massive dome, Gothic-influenced pointed arches, and exquisite marble and stucco decoration.