challenge: How can you access the Olentangy West area in Columbus, Ohio by public transportation?
  
  A. Only by bike via the Olentangy River Road bike path
  B. Only by taxi or ride-sharing services
  C. Via COTA bus routes 1, 32, 33, and 72, as well as OSU's Campus Area Bus Service (CABS)
  D. Via Amtrak train
  Answer: 