Final answer:
A written acknowledgement should confirm that the consumer has received and understands the disclosure made by a real estate professional. It is important for maintaining transparency in real estate transactions.
Step-by-step explanation:
The best description for a written acknowledgement in the context provided is A) It should state that the consumer received and understands the written disclosure made by a real estate professional. This written acknowledgement serves as a formal declaration that the consumer has been provided with certain information and is aware of it, ensuring transparency and mutual understanding in the real estate transaction. Options B, C, and D refer to different aspects of the consumer-professional relationship and do not pertain to the acknowledgement of a disclosure document.