In the given options, the statement "D. It is silly to buy strange celebrity items." is an opinion. Here's why:
1. Opinions are personal beliefs or judgments that cannot be proven true or false.
2. The statement in option D expresses a personal view on the idea of buying strange celebrity items, which varies from person to person.
3. Unlike factual statements (which can be verified with evidence), opinions are subjective and depend on individual perspectives.
4. In this case, the statement reflects a judgment on the behavior of buying peculiar celebrity items, indicating a personal viewpoint rather than a verifiable fact.
