challenge: What was the outcome of the 2019 Monterrey Open – Singles final?
  
  A. Garbiñe Muguruza lost to Victoria Azarenka in straight sets
  B. The final was cancelled due to rain
  C. Victoria Azarenka retired with a leg injury, giving Garbiñe Muguruza the win
  D. Garbiñe Muguruza defeated Victoria Azarenka in a third-set tiebreaker
  Answer: 