Final answer:
The insured with prior written permission of the insurer.
Step-by-step explanation:
The answer to the question is a. The insured with prior written permission of the insurer.
In the context of a standard property policy, the insured party may have the ability to assign the policy to someone else. However, in order to do so, they typically need to obtain prior written permission from the insurer. This ensures that the insurer is aware of and approves the transfer of the policy.
The other options listed, such as the Bailee, the Insurer, and the First Named Insured, generally do not have the authority to assign a standard property policy without the proper consent.