Which of the following best describes the relationship between paragraph 2 and paragraph 3? A. Paragraph 2 puts forward several scientific claims, one of which is rejected in paragraph 3. B. Paragraph 2 poses several questions, and paragraph 3 offers a possible answer to one of them. C. Paragraph 2 presents outdated traditional views, while paragraph 3 presents the current scientific conclusions. D. Paragraph 2 introduces a generalization that is illustrated by specific examples in paragraph 3.