challenge: What is the purpose of the nikah halala (tahlil marriage) in Islamic law?
  
  A. To deter the husband from making rash repudiations by requiring an intervening marriage
  B. To provide a waiting period for the wife to reflect on the divorce
  C. To automatically retract a revocable repudiation
  D. To allow a couple to remarry immediately after a divorce
  Answer: 