Final answer:
The preferable assignment approach for maintaining client safety with minimum restriction is selecting interventions that pose the least restriction while ensuring safety.
Step-by-step explanation:
When aiming to maintain client safety with minimal restriction, the preferable type of assignment approach in the delegation process is A) Select interventions that maintain client safety while posing the least amount of restriction to the client. This involves carefully considering the clients' needs and the least restrictive ways to meet those needs while ensuring safety. It is essential for healthcare providers to balance client autonomy with protective measures, often working within a multidisciplinary team to deliver the most appropriate care.