这道题选哪个---**Question 16** **Question Stem:** 2025年4月19日，全球首个人形机器人半程马拉松赛事在北京举行。根据赛事要求，参赛机器人须具备人形外观，实现双足行走或奔跑，禁止轮式结构。已知甲企业生产的所有机器人都符合参赛要求，则以下情形一定正确的是（ ） **(Translation for clarity):** On April 19, 2025, the world's first humanoid robot half marathon was held in Beijing. According to the competition requirements, participating robots must have a humanoid appearance, be able to walk or run bipedally, and be prohibited from having a wheeled structure. It is known that all robots produced by Company A meet the competition requirements. Which of the following situations is definitely correct? ( ) **Chart/Diagram Description:** The image displays four distinct diagrams, labeled ①, ②, ③, and ④, each depicting relationships between different sets using Venn diagrams (overlapping or nested circles). * **Diagram ①:** Two circles are shown overlapping. * The left circle is labeled "甲企业机器人" (Company A Robots). * The right circle is labeled "非轮式结构" (Non-wheeled Structure). * The overlapping region represents the intersection of these two sets. * **Diagram ②:** Two circles are shown completely separate from each other. * The left circle is labeled "甲企业机器人" (Company A Robots). * The right circle is labeled "非人形外观" (Non-humanoid Appearance). * The separation indicates that there is no overlap between these two sets. * **Diagram ③:** Two circles are shown, with one completely contained within the other (nested). * The larger, outer circle is labeled "甲企业机器人" (Company A Robots). * The smaller, inner circle is labeled "双足行走或奔跑" (Bipedal Walking or Running). * This indicates that the set "双足行走或奔跑" is a subset of "甲企业机器人". * **Diagram ④:** Two circles are shown, with one completely contained within the other (nested). * The larger, outer circle is labeled "非甲企业机器人" (Non-Company A Robots). * The smaller, inner circle is labeled "轮式结构" (Wheeled Structure). * This indicates that the set "轮式结构" is a subset of "非甲企业机器人". **Options:** A. ①③ B. ①④ C. ②③ D. ②④