challenge: When was the Men's 50 metre backstroke competition of the 2022 FINA World Swimming Championships (25 m) held?
  
  A. 16 and 17 December 2022
  B. 14 and 15 December 2022
  C. 15 and 16 December 2022
  D. 17 and 18 December 2022
  Answer: 