--- license: mit task_categories: - question-answering language: - en size_categories: - 1K\nB.\n\n\nC.\n\n\nD.\n\n", "input_image": [ "batch10-2024_06_14_13894f5e3499bf65de58g_0006_1.jpg", "batch10-2024_06_14_13894f5e3499bf65de58g_0006_2.jpg", "batch10-2024_06_14_13894f5e3499bf65de58g_0006_3.jpg", "batch10-2024_06_14_13894f5e3499bf65de58g_0006_4.jpg" ], "is_multi_img": true, "answer": "B", "answer_type": "choice", "difficulty": "Low", "grade": "Junior", "subject": "Solid Geometry", "image_relavance": "0", "analysis": "Solution: Since a solid obtained by rotating a plane figure around a certain straight line must have a curved surface,\n\nTherefore, option B fits the requirement;\n\nHence, the answer is: B.\n\n[Key Insight] This question examines the concepts of points, lines, surfaces, and solids. Understanding that \"a moving point forms a line, a moving line forms a surface, and a moving surface forms a solid\" is crucial to solving the problem." } ```