challenge: Where is the necropolis of Bani Surmah located?
  
  A. Near the city of Shiraz, in the province of Fars
  B. Near the village of Chavar, in the district of Ilam and the province of Pusht-i Kuh
  C. Near the village of War-Kabud, in the district of Kermanshah
  D. Near the city of Tehran, in the province of Tehran
  Answer: 