What does '3 points of contact' mean on ladders or structures in the course?

• A. Three points of contact (two hands and one foot or two feet and one hand) with the structure at all times to maintain stability.
• B. Two hands and one foot on the ladder at all times.
• C. Two hands and two feet on the ladder at all times.
• D. Three points of contact refers to three contact with the rope rather than the structure.

Answer: (C)