阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中选出可以填入空白的最佳选项，并在答题卡上将该项涂黑。The True Story of Treasure IslandIt was always thought that Treasure Island was the product of Robert Louis Stevenson’s imagination. 36, recent research has found the true story of this exciting work.Stevenson, a Scotsman, had lived 37 for many years. In 1881he returned to Scotland for a38 .With him were his American wife Fanny and his son39 .Each morning Stevenson would take them out for a long 40 over the hills. They had been 41 this for several days before the weather suddenly took a turn for the worse. Kept indoors the heavy rain, Lloyd felt the days 42 .To keep the boy happy, Robert asked the boy to do some 43 .One morning, the boy came to Robert with a beautiful map of an island, Robert 44 that the boy had drawn a large cross in the middle of 45. “What’s that?” he asked. “That’s the 46 treasure,” said the boy. Robert suddenly 47 something of an adventure story in the boy’s48 .While the rain was pouring, Robert sat down by the fire to write a story. He would make the 49a twelve-year-old boy, just like Lloyd. But who would be the pirate(海盗)？Robert had a good friend named Henley, who walked around with the50of a wooden leg. Robert had always wanted to 51 such a man in a story.52 Long John Silver, the pirate with a wooden leg, was 53 .So, thanks to a 54September in Scotland, a friend with a wooden leg, and the imagination of a twelve-year-old boy, we have one of the greatest 55stories in the English language.36.