challenge: What was Vasiliy Stepanov's achievement at the 1958 ICF Canoe Sprint World Championships in Prague?
  
  A. Won a silver medal in the K-4 500 m event
  B. Won a bronze medal in the K-1 500 m event
  C. Won a bronze medal in the K-4 10000 m event
  D. Won a gold medal in the K-2 1000 m event
  Answer: 