题目内容：
根据下面资料，回答题： About 50 years ago the idea of disabled people doing sports was never heard of. But when theannual games for the disabled were started at Stroke Mandeville, England in 1948 by Sir LudwigGuttmann, the situation began to change. Sir Ludwig Guttmann, who had been driven to Englandin 1939 from Nazi Germany, had been asked by the British government to set up an injuries centreat Stroke Mandeville Hospital near London. His ideas about treating injuries included sports for thedisabled.
In the first games just two teams of injured soldiers took part. The next year,1949, fiveteams took part. From those beginnings things developed fast. Teams now come from abroad toStroke Mandeville every year. In 1960 the first Olympics for the Disabled were held in Rome.
Now, every four years the Olympic Games for the Disabled are held, if possible, in the same placeas the normal Olympic Games, although they are organized separately. In other years Games forthe Disabled are still held at Stroke Mandeville. In the 1984 wheelchair Olympic Games,1,604wheelchair athletes .from about 40 countries took part. Unfortunately, they were held at StrokeMandeville and not in Los Angeles, along with the other Olympics.
The Games have been a great success in promoting international friendship and understanding,and in proving that being disabled does not mean you can' t enjoy sports. One small source of disappointment for those who organize and take part in the games, however, has been the unwillingness of the International O, lympic Committee to include the disabled events at the Olympic Gamesfor the able bodies. Perhaps a few more years are still needed to convince those fortunate enoughnot to be disabled that their disabled fellow athletes should not be excluded.
The firstgames for the disabled were held after Sir Ludwig Guttmann arrived inEngland. A．50 years
B．21 years
C．9 years
D．4 years
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