What is the required distance between the driver's cab of the supporting vehicle and the front wall of the supported vehicle in a vehicle of the "supporting" type?

1. AThe distance will depend on the length of the supporting vehicle and the position of the fifth wheel and not less than 400 cm.
2. BThe distance between the supported and the supporting vehicle shall not be more than 150 cm.
3. CA distance that allows movement of the two in any direction without harming each other and also allows free movement of the connections at maximum turn.
4. DA distance that must allow free movement of the air hoses of the braking system, and not more than 50 cm.

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