第21题: [单项选择]Don Cameron's company______. A. is the only one of its kind in Britain B. made the first balloon in Europe C. has made most of the balloons in Britain D. is now the largest in the world 参考答案:C 答案解析:细节理解题 A和D两个选项文中没有提及,可以很容易排除。但是此题容易误选B。文中提到Don Cameron 和他的朋友制造出了欧洲第一只热气球,但是此刻,他的公司尚未成立,所以B也是错的。至于 C,