Answer: D) Eating a healthy breakfast will improve a students test score.
Step-by-step explanation: a claim is a statement that presents something as true. It can be based in facts or in the judgement of a person or a group of people. To be clearly stated, a claim needs to be about a debatable topic (in order to be able to discuss it), and it also needs to be specific. From the given options, the one that represents an example of a clearly stated claim is "Eating a healthy breakfast will improve a students test score" because it is about a debatable and specific topic.