challenge: How many consecutive national titles did the Millards win during Chris Etheridge's early seasons in the British Sidecarcross Championship?
  
  A. Four consecutive titles from 1987 to 1990
  B. Three consecutive titles from 1985 to 1987
  C. Five consecutive titles from 1986 to 1990
  D. Two consecutive titles in 1988 and 1989
  Answer: 