题目内容：
It 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 1881 he returned to Scotland for a 38 . With him were his American wife Fanny and his son 39
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 by 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's 48 . While the rain was pouring, Robert sat down by the fire to write a story. He would make the 49 a 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 the 50 of a women 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 54 September in Scotland, a friend with a wooden leg, and the imagination of a twelve-year-old boy, we have one of the greatest 55 stories in the English language. A．However
B．Therefore
C．Besides
D．Finally
参考答案：
答案解析：