challenge: In which three United States District Courts did Frederick Voris Follmer serve as a judge?
  
  A. Eastern District of California, Middle District of New York, Western District of Texas
  B. Eastern District of Pennsylvania, Middle District of New York, Western District of California
  C. Eastern District of New York, Middle District of Pennsylvania, Western District of Florida
  D. Eastern District of Pennsylvania, Middle District of Pennsylvania, Western District of Pennsylvania
  Answer: 