How wide can a load be before you must use side markers? How wide can a load be before you must use side markers?

• Possible answers:

   
• A. 2 metres (6 feet 6 inches)
• B. 2.9 metres (9 feet 6 inches)
• C. 3.5 metres (11 feet 6 inches)
• D. 4.3 metres (14 feet 1 inch)