How must a load be transported in a vehicle that has no separate driver's compartment?

1. AThere must be a partition in the vehicle that separates and protects the passengers from being struck by the load.
2. BOnly loose bulk cargo may be transported in it.
3. CA load may be transported in it on pallets only.
4. DIn a vehicle that has no separate driver's compartment, a load may not be transported.

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