In a root cause analysis, the possible causes (labeled A-F) were as follows: Cause A = 80, Cause B = 50, Cause C = 5, Cause D = 20, Cause E = 30, Cause F = 15. Which of the cases with large numbers of causes would make up 80% of the cases? D, E, and F A, B, and E A, D, and E A, D, E, and F