【正确答案】 D

【答案解析】此考题为细节题。根据文章最后一段第2句George thought that he had better ask a few questions to show how interested he was and how much he wanted to learn to fly，就可肯定D正确。而 A的意思是“有趣的”，而不是“感兴趣的”，B的意思是“不紧张的”，C的意思是“不同的”．故A，B和C是错误的。