challenge: What was the format of the 2012 Under-19 Cricket World Cup league stage?
  
  A. Eight groups of three teams, with each team playing the others in a round-robin format
  B. Two groups of six teams, with each team playing the others in a round-robin format
  C. Four groups of four teams, with each team playing the others in a round-robin format
  D. Six groups of five teams, with each team playing the others in a round-robin format
  Answer: 