challenge: In which two Olympic events did Ng Tsuen Man compete in the 1976 Summer Olympics in Montreal?
  
  A. K-1 1000 m and K-2 500 m
  B. K-1 500 m and K-4 1000 m
  C. K-1 1000 m and K-4 500 m
  D. K-2 500 m and K-4 1000 m
  Answer: 