challenge: What was the reviewer's opinion on the emphasis of The Mines of Keridav?
  
  A. He considered it a bonus that the adventure focused more on above-ground activities.
  B. He thought it was too similar to other FRP systems.
  C. He disliked the lack of adaptation to D&D-oriented material.
  D. He preferred the underground room-to-room scenarios.
  Answer: 