challenge: What was the primary reason for introducing a new set of names for Bowen Cooke's 4-6-0 express engines in 1911?
  
  A. To reflect a change in the company's branding strategy
  B. To honor the retirement of a long-serving railway executive
  C. To keep up with the increasing rate of new locomotive production
  D. To commemorate notable events in British history
  Answer: 