challenge: Which of the following construction projects did graduates of the Novosibirsk Electromechanical College work on?
  
  A. Kiev–Kharkiv Highway
  B. Trans-Siberian Railway
  C. Moscow–St. Petersburg Railway
  D. Tyumen — Tobolsk — Surgut, Abakan–Taishet, Baikal–Amur Mainline
  Answer: 