challenge: What were the years of Cassius C. Dowell's non-consecutive terms as a U.S. Representative from Iowa?
  
  A. 1915-1935, 1937-1940
  B. 1905-1915, 1920-1925
  C. 1920-1930, 1935-1940
  D. 1910-1920, 1925-1935
  Answer: 