Final answer:
None of the provided statements is universally true. A 'scheduled plan' is not the same as a 'basic plan,' and a basic plan may not be comprehensive. Dental indemnity plans come in various types, not just two.
Step-by-step explanation:
In response to the question about which statement is true concerning types of plans, it's important to clarify that:
Therefore, the statements provided seem to have inaccuracies or are too vague to be considered universally true. Considering the available options, the most accurate answer would be None of the above.