challenge: In which years did Lidija Timofejeva win the Yugoslav Women's Chess Championship title three times in a row?
  
  A. 1955, 1956, and 1957
  B. 1945, 1946, and 1947
  C. 1950, 1951, and 1952
  D. 1947, 1948, and 1949
  Answer: 