Why should you avoid following a bicycle too closely?

• Bicycles can stop and maneuver quickly
• Bicyclist may change speed to avoid a road hazard
• Bicycles are slow and unpredictable
• Both A & B
  Explanation:

  "Do not follow a bicycle too closely. Remember that small holes, glass, and other hazards can be particularly dangerous to bicyclists. Bicycles can stop and maneuver quickly so a bicyclist may swerve or change speed to avoid a road hazard that a motorist cannot see."