challenge: What is the role of the Politburo of the Lao People's Revolutionary Party?
  
  A. The primary executive organ of the Lao government
  B. The highest decision-making organ of the Lao People's Revolutionary Party when the Central Committee is not convened for a plenary session
  C. The supreme judicial authority in the Lao People's Democratic Republic
  D. The highest advisory body to the National Assembly of Laos
  Answer: 