Final answer:
The correct option that most accurately represents the point at issue between Ted and Mary is that they have a fundamental disagreement.
Step-by-step explanation:
The correct option that most accurately expresses the point at issue between Ted and Mary is b) Ted and Mary have a fundamental disagreement. This means that Ted and Mary have a fundamental difference in opinion or belief about a particular matter. The other options, such as the interpretation of evidence being unclear or revolving around a minor detail, do not capture the essence of a fundamental disagreement between the two individuals.