Final answer:
Option A) "I'll drive you to Seattle on Saturday." would best satisfy the requirements for a good legal offer.
Step-by-step explanation:
The best offer that satisfies the requirements for a legal offer is option A) "I'll drive you to Seattle on Saturday."
An offer must have certain elements to be considered valid. It must be communicated to the offeree, indicate the terms of the offer, and show an intent to be bound by those terms.
Option A satisfies these requirements by clearly communicating the offer to drive to Seattle, indicating the specific terms of the offer, and showing an intent to be bound by the agreement.