Final answer:
The correct option is D, The minimum width for scaffolding, according to OSHA standards, is 18 inches to ensure safety for individuals working on the structure.
Step-by-step explanation:
The question is related to safety standards in the context of construction and specifically to the minimum width for scaffolding. According to the Occupational Safety and Health Administration (OSHA) standards, scaffolding planks must be at least 18 inches wide to ensure the safety of workers. This ensures there is enough room for safe movement and work on the scaffold.
The correct answer to the question "All scaffolding shall be at least ____ in width" is D) 18 inches. This is based on OSHA's safety requirements for the construction industry.