Which of the following is an example of an effective thesis statement for an informational essay?

A. Because of claims of dishonest advertising, many social media platforms are requiring disclaimers.
B. Did you know that disclaimers on social media posts are a direct result of dishonest advertising?
C. I'm glad that social media influencers will have to tell people they're paid by companies.
D. My sister bought a makeup kit from a social media influencer, and it was nothing like the advertisement.