Concept:The sentence parts must form a logical sequence. Start with the historical link between fiction and reality, then move to how sci-fi inspires innovation and exploration. Explanation:First, sentence Q states past inventions were once fictional ideas. This connects to the opening line about fueling imagination. Next, sentence P follows naturally: sci-fi inspires young minds to innovate. Then R highlights thinking beyond limits. Finally, S shows stories explore future societies. This leads smoothly to the concluding line about real-world influence. The logical order is Q → P → R → S. Answer:Option C: QPRS