challenge: What was the initial proposed marriage arrangement involving Ketevan of Kakheti and Vakhtang V's son Archil?
  
  A. Ketevan was to marry Archil and offer her throne to Vakhtang V
  B. Ketevan was to marry Vakhtang V and offer her throne to Archil
  C. Ketevan was to marry Archil and offer herself as ransom to the Ottoman pasha
  D. Ketevan was to marry Prince Gogoberidze and offer her niece to Vakhtang V
  Answer: 