challenge: Which of the following best describes Thomas J. Walsh's tenure in the New York State Senate?
  
  A. He served for 2 years, from 1928 to 1930
  B. He served for 10 years, from 1915 to 1925
  C. He served for 5 years, from 1920 to 1925
  D. He served for 3 years, from 1925 to 1928
  Answer: 