How will future trains be different? A. They will run slower but carry more people B. They will be able to fly like planes C. They will float using magnetic systems D. They will stop at moĐoạn văn9/41How will future trains be different? They will run slower but carry more people They will be able to fly like planes They will float using magnetic systems They will stop at more stationsGiải thíchĐáp án đúng là C