Last month, I hiked to the peak of a mountain. Next month, my best friend and her sister are going to visit that site too. It's a difficult trip, but it's worth it. They're going to have so much fun there! I hope I can go back again soon.
Answer: the flying Machine Unfortunately, da Vinci never built the device, but even if he had, it likely wouldn't have been a success. The machine had no engine, so it's unclear how it would get off the ground. And even if da Vinci flew his machine off a high cliff, it's unlikely that he would have returned to Earth in one piece. But......... The Wright Brothers | Inventing a Flying Machine. Between 1899 and 1905, the Wright brothers conducted a program of aeronautical research and experimentation that led to the first successful powered airplane in 1903 and a refined, practical flying machine two years later.
Explanation:
I think B. is the most reasonable and understandable answer to me. i'm quite sure that it is right