Which Persian dynasty, ruling from 224 to 651 CE just before the Islamic conquest, is especially noted for monumental rock reliefs and the founding of Jundishapur, a major center of learning?

• A The Sassanid Empire ✓
• B The Achaemenid Empire
• C The Seleucid Empire
• D The Buyid Dynasty

The Academy of Gondishapur combined Persian, Greek, and Indian medical and scientific knowledge.