challenge: What led to the reduction of Bakhrabad Gas Distribution Company Limited's functions to marketing and distribution only?
  
  A. Transfer of Bakhrabad Gas Field management to Bangladesh Gas Fields Company Limited
  B. Transfer of company assets in Chittagong District to Karnaphuli Gas Distribution Company Limited
  C. Transfer of Bakhrabad-Chittagong Transmission Pipelines to Gas Transmission Company Limited
  D. Transfer of Bakhrabad-Demra Transmission Pipelines' control to Gas Transmission Company Limited
  Answer: 