Final answer:
A written agreement is preferable to an oral/verbal/unwritten agreement because it memorializes the agreement, terms, and helps with clear communication.
Step-by-step explanation:
A written agreement is preferable to an oral/verbal/unwritten agreement because:
- The document memorializes that an agreement was reached.
- The document memorializes the terms of the agreement.
- A written document helps the parties communicate more clearly and effectively.
Therefore, the correct answer is D. All the above.