question: Hint: Please answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: In which of the following value ranges of λ2 does the percentage of Attack Effectiveness begin to be lower than that of Diversity?
  Choices:
  (A) 0.0 - 0.2
  (B) 0.2 - 0.4
  (C) 0.4 - 0.6
  (D) 0.6 - 0.8